25504252 has 12 divisors (see below), whose sum is σ = 44668456. Its totient is φ = 12741840.

The previous prime is 25504249. The next prime is 25504261. The reversal of 25504252 is 25240552.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6802 + ... + 9862.

Almost surely, 2^25504252 is an apocalyptic number.

It is an amenable number.

25504252 is a deficient number, since it is larger than the sum of its proper divisors (19164204).

25504252 is a wasteful number, since it uses less digits than its factorization.

25504252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148 (or 5146 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 25504252 is about 5050.1734623674. The cubic root of 25504252 is about 294.3546247559.

The spelling of 25504252 in words is "twenty-five million, five hundred four thousand, two hundred fifty-two".