25904872 has 32 divisors (see below), whose sum is σ = 58777920. Its totient is φ = 10448640.

The previous prime is 25904869. The next prime is 25904887. The reversal of 25904872 is 27840952.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12654 + ... + 14557.

It is an arithmetic number, because the mean of its divisors is an integer number (1836810).

Almost surely, 2^25904872 is an apocalyptic number.

It is an amenable number.

25904872 is an abundant number, since it is smaller than the sum of its proper divisors (32873048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25904872 is a wasteful number, since it uses less digits than its factorization.

25904872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27241 (or 27237 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 25904872 is about 5089.6828977845. The cubic root of 25904872 is about 295.8878623194.

The spelling of 25904872 in words is "twenty-five million, nine hundred four thousand, eight hundred seventy-two".