25014564 has 36 divisors (see below), whose sum is σ = 66561040. Its totient is φ = 7899120.

The previous prime is 25014529. The next prime is 25014571. The reversal of 25014564 is 46541052.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×25014564² = 1251456824220192, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 17602 + ... + 18969.

Almost surely, 2^25014564 is an apocalyptic number.

It is an amenable number.

25014564 is an abundant number, since it is smaller than the sum of its proper divisors (41546476).

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

25014564 is a wasteful number, since it uses less digits than its factorization.

25014564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36600 (or 36595 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 25014564 is about 5001.4561879517. The cubic root of 25014564 is about 292.4585433246.

The spelling of 25014564 in words is "twenty-five million, fourteen thousand, five hundred sixty-four".