25979532 has 48 divisors (see below), whose sum is σ = 62856192. Its totient is φ = 8346240.

The previous prime is 25979531. The next prime is 25979549. The reversal of 25979532 is 23597952.

Its product of digits (170100) is a multiple of the sum of its prime divisors (756).

It is not an unprimeable number, because it can be changed into a prime (25979531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40857 + ... + 41487.

It is an arithmetic number, because the mean of its divisors is an integer number (1309504).

Almost surely, 2^25979532 is an apocalyptic number.

It is an amenable number.

25979532 is an abundant number, since it is smaller than the sum of its proper divisors (36876660).

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

25979532 is a wasteful number, since it uses less digits than its factorization.

25979532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758 (or 756 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 25979532 is about 5097.0120659068. The cubic root of 25979532 is about 296.1718474970.

The spelling of 25979532 in words is "twenty-five million, nine hundred seventy-nine thousand, five hundred thirty-two".