25253564 has 24 divisors (see below), whose sum is σ = 51222528. Its totient is φ = 10669680.

The previous prime is 25253537. The next prime is 25253587. The reversal of 25253564 is 46535252.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25253564.

It is a congruent number.

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, 4364 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (2134272).

Almost surely, 2^25253564 is an apocalyptic number.

It is an amenable number.

25253564 is an abundant number, since it is smaller than the sum of its proper divisors (25968964).

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

25253564 is a wasteful number, since it uses less digits than its factorization.

25253564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12785 (or 12783 counting only the distinct ones).

The product of its digits is 36000, while the sum is 32.

The square root of 25253564 is about 5025.2924293020. The cubic root of 25253564 is about 293.3870178373.

The spelling of 25253564 in words is "twenty-five million, two hundred fifty-three thousand, five hundred sixty-four".