5215225 has 6 divisors (see below), whose sum is σ = 6466910. Its totient is φ = 4172160.

The previous prime is 5215211. The next prime is 5215229. The reversal of 5215225 is 5225125.

It can be written as a sum of positive squares in 3 ways, for example, as 3136 + 5212089 = 56^2 + 2283^2 .

It is not a de Polignac number, because 5215225 - 2⁷ = 5215097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5215196 and 5215205.

It is not an unprimeable number, because it can be changed into a prime (5215229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104280 + ... + 104329.

Almost surely, 2^5215225 is an apocalyptic number.

It is an amenable number.

5215225 is a deficient number, since it is larger than the sum of its proper divisors (1251685).

5215225 is a wasteful number, since it uses less digits than its factorization.

5215225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208619 (or 208614 counting only the distinct ones).

The product of its digits is 1000, while the sum is 22.

The square root of 5215225 is about 2283.6867123141. The cubic root of 5215225 is about 173.4167395274.

The spelling of 5215225 in words is "five million, two hundred fifteen thousand, two hundred twenty-five".