25454 has 16 divisors (see below), whose sum is σ = 45360. Its totient is φ = 10560.

The previous prime is 25453. The next prime is 25457. The reversal of 25454 is 45452.

25454 = 43² + 44² + ... + 53².

It is a happy number.

It is a super-2 number, since 2×25454² = 1295812232, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25454.

It is not an unprimeable number, because it can be changed into a prime (25453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 330.

It is an arithmetic number, because the mean of its divisors is an integer number (2835).

2²⁵⁴⁵⁴ is an apocalyptic number.

25454 is a deficient number, since it is larger than the sum of its proper divisors (19906).

25454 is a wasteful number, since it uses less digits than its factorization.

25454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115.

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

The square root of 25454 is about 159.5430976257. The cubic root of 25454 is about 29.4161171598.

The spelling of 25454 in words is "twenty-five thousand, four hundred fifty-four".