25572 has 12 divisors (see below), whose sum is σ = 59696. Its totient is φ = 8520.

The previous prime is 25561. The next prime is 25577. The reversal of 25572 is 27552.

25572 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 15.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (25577) by changing a digit.

25572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054 + ... + 1077.

2²⁵⁵⁷² is an apocalyptic number.

It is an amenable number.

25572 is an abundant number, since it is smaller than the sum of its proper divisors (34124).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29848).

25572 is a wasteful number, since it uses less digits than its factorization.

25572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138 (or 2136 counting only the distinct ones).

The product of its digits is 700, while the sum is 21.

The square root of 25572 is about 159.9124760611. The cubic root of 25572 is about 29.4615029774.

The spelling of 25572 in words is "twenty-five thousand, five hundred seventy-two".