25532568 has 24 divisors (see below), whose sum is σ = 69150900. Its totient is φ = 8510832.

The previous prime is 25532537. The next prime is 25532569. The reversal of 25532568 is 86523552.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25532569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177238 + ... + 177381.

Almost surely, 2^25532568 is an apocalyptic number.

It is an amenable number.

25532568 is an abundant number, since it is smaller than the sum of its proper divisors (43618332).

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

25532568 is a wasteful number, since it uses less digits than its factorization.

25532568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354631 (or 354624 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 25532568 is about 5052.9761527243. The cubic root of 25532568 is about 294.4635198380.

It can be divided in two parts, 255 and 32568, that added together give a palindrome (32823).

The spelling of 25532568 in words is "twenty-five million, five hundred thirty-two thousand, five hundred sixty-eight".