25321232 has 10 divisors (see below), whose sum is σ = 49059918. Its totient is φ = 12660608.

The previous prime is 25321201. The next prime is 25321237. The reversal of 25321232 is 23212352.

It can be written as a sum of positive squares in only one way, i.e., 25240576 + 80656 = 5024^2 + 284^2 .

It is not an unprimeable number, because it can be changed into a prime (25321237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 791273 + ... + 791304.

Almost surely, 2^25321232 is an apocalyptic number.

It is an amenable number.

25321232 is a deficient number, since it is larger than the sum of its proper divisors (23738686).

25321232 is a wasteful number, since it uses less digits than its factorization.

25321232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582585 (or 1582579 counting only the distinct ones).

The product of its digits is 720, while the sum is 20.

The square root of 25321232 is about 5032.0206676841. The cubic root of 25321232 is about 293.6488317979.

Adding to 25321232 its reverse (23212352), we get a palindrome (48533584).

The spelling of 25321232 in words is "twenty-five million, three hundred twenty-one thousand, two hundred thirty-two".