25692 has 12 divisors (see below), whose sum is σ = 59976. Its totient is φ = 8560.

The previous prime is 25679. The next prime is 25693. The reversal of 25692 is 29652.

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25692.

It is not an unprimeable number, because it can be changed into a prime (25693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059 + ... + 1082.

It is an arithmetic number, because the mean of its divisors is an integer number (4998).

2²⁵⁶⁹² is an apocalyptic number.

It is an amenable number.

25692 is an abundant number, since it is smaller than the sum of its proper divisors (34284).

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 (29988).

25692 is a wasteful number, since it uses less digits than its factorization.

25692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148 (or 2146 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 25692 is about 160.2872421623. The cubic root of 25692 is about 29.5075150824.

It can be divided in two parts, 25 and 692, that added together give a palindrome (717).

The spelling of 25692 in words is "twenty-five thousand, six hundred ninety-two".