25312132 has 12 divisors (see below), whose sum is σ = 45239040. Its totient is φ = 12386696.

The previous prime is 25312117. The next prime is 25312141. The reversal of 25312132 is 23121352.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67132 + ... + 67507.

It is an arithmetic number, because the mean of its divisors is an integer number (3769920).

Almost surely, 2^25312132 is an apocalyptic number.

It is an amenable number.

25312132 is a deficient number, since it is larger than the sum of its proper divisors (19926908).

25312132 is a wasteful number, since it uses less digits than its factorization.

25312132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134690 (or 134688 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 25312132 is about 5031.1163771076. The cubic root of 25312132 is about 293.6136501955.

Adding to 25312132 its reverse (23121352), we get a palindrome (48433484).

The spelling of 25312132 in words is "twenty-five million, three hundred twelve thousand, one hundred thirty-two".