25732 has 12 divisors (see below), whose sum is σ = 51520. Its totient is φ = 11016.

The previous prime is 25717. The next prime is 25733. The reversal of 25732 is 23752.

It is a happy number.

25732 is an admirable number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (25733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432 + ... + 487.

2²⁵⁷³² is an apocalyptic number.

It is an amenable number.

25732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (25760).

25732 is a wasteful number, since it uses less digits than its factorization.

25732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 928 counting only the distinct ones).

The product of its digits is 420, while the sum is 19.

The square root of 25732 is about 160.4119696282. The cubic root of 25732 is about 29.5228206068.

It can be divided in two parts, 257 and 32, that added together give a square (289 = 17²).

The spelling of 25732 in words is "twenty-five thousand, seven hundred thirty-two".