25038564 has 12 divisors (see below), whose sum is σ = 58423344. Its totient is φ = 8346184.

The previous prime is 25038557. The next prime is 25038589. The reversal of 25038564 is 46583052.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043262 + ... + 1043285.

It is an arithmetic number, because the mean of its divisors is an integer number (4868612).

Almost surely, 2^25038564 is an apocalyptic number.

It is an amenable number.

25038564 is an abundant number, since it is smaller than the sum of its proper divisors (33384780).

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

25038564 is a wasteful number, since it uses less digits than its factorization.

25038564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086554 (or 2086552 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25038564 is about 5003.8549139638. The cubic root of 25038564 is about 292.5520456734.

The spelling of 25038564 in words is "twenty-five million, thirty-eight thousand, five hundred sixty-four".