25479232 has 14 divisors (see below), whose sum is σ = 50560478. Its totient is φ = 12739584.

The previous prime is 25479221. The next prime is 25479253. The reversal of 25479232 is 23297452.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24364096 + 1115136 = 4936^2 + 1056^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 198993 + ... + 199120.

Almost surely, 2^25479232 is an apocalyptic number.

It is an amenable number.

25479232 is a deficient number, since it is larger than the sum of its proper divisors (25081246).

25479232 is an equidigital number, since it uses as much as digits as its factorization.

25479232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398125 (or 398115 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 25479232 is about 5047.6957119066. The cubic root of 25479232 is about 294.2583380357.

The spelling of 25479232 in words is "twenty-five million, four hundred seventy-nine thousand, two hundred thirty-two".