25978932 has 36 divisors (see below), whose sum is σ = 75050976. Its totient is φ = 7422480.

The previous prime is 25978919. The next prime is 25978933. The reversal of 25978932 is 23987952.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×25978932³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25978933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51294 + ... + 51797.

Almost surely, 2^25978932 is an apocalyptic number.

It is an amenable number.

25978932 is an abundant number, since it is smaller than the sum of its proper divisors (49072044).

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

25978932 is a wasteful number, since it uses less digits than its factorization.

25978932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103108 (or 103103 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 25978932 is about 5096.9532075545. The cubic root of 25978932 is about 296.1695674396.

The spelling of 25978932 in words is "twenty-five million, nine hundred seventy-eight thousand, nine hundred thirty-two".