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254225 = 5210169
BaseRepresentation
bin111110000100010001
3110220201202
4332010101
531113400
65240545
72106116
oct760421
9426652
10254225
11164004
12103155
138b93a
146890d
15504d5
hex3e111

254225 has 6 divisors (see below), whose sum is σ = 315270. Its totient is φ = 203360.

The previous prime is 254213. The next prime is 254249. The reversal of 254225 is 522452.

It can be written as a sum of positive squares in 3 ways, for example, as 61504 + 192721 = 248^2 + 439^2 .

It is not a de Polignac number, because 254225 - 24 = 254209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 254197 and 254206.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 254225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5060 + ... + 5109.

It is an arithmetic number, because the mean of its divisors is an integer number (52545).

2254225 is an apocalyptic number.

254225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254225 is a deficient number, since it is larger than the sum of its proper divisors (61045).

254225 is a wasteful number, since it uses less digits than its factorization.

254225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179 (or 10174 counting only the distinct ones).

The product of its digits is 800, while the sum is 20.

The square root of 254225 is about 504.2072986382. The cubic root of 254225 is about 63.3489496733.

Adding to 254225 its product of digits (800), we get a square (255025 = 5052).

Adding to 254225 its reverse (522452), we get a palindrome (776677).

It can be divided in two parts, 25 and 4225, that multiplied together give a square (105625 = 3252).

The spelling of 254225 in words is "two hundred fifty-four thousand, two hundred twenty-five".

Divisors: 1 5 25 10169 50845 254225