25532992 has 28 divisors (see below), whose sum is σ = 52417980. Its totient is φ = 12325376.

The previous prime is 25532989. The next prime is 25532993. The reversal of 25532992 is 29923552.

It can be written as a sum of positive squares in 2 ways, for example, as 6031936 + 19501056 = 2456^2 + 4416^2 .

It is not an unprimeable number, because it can be changed into a prime (25532993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023 + ... + 8734.

Almost surely, 2^25532992 is an apocalyptic number.

It is an amenable number.

25532992 is an abundant number, since it is smaller than the sum of its proper divisors (26884988).

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

25532992 is a wasteful number, since it uses less digits than its factorization.

25532992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13798 (or 13788 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 25532992 is about 5053.0181080222. The cubic root of 25532992 is about 294.4651498064.

The spelling of 25532992 in words is "twenty-five million, five hundred thirty-two thousand, nine hundred ninety-two".