25331312 has 20 divisors (see below), whose sum is σ = 49356216. Its totient is φ = 12594240.

The previous prime is 25331263. The next prime is 25331329. The reversal of 25331312 is 21313352.

It is a zygodrome in base 5.

It is a congruent number.

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, 1478 + ... + 7269.

Almost surely, 2^25331312 is an apocalyptic number.

It is an amenable number.

25331312 is a deficient number, since it is larger than the sum of its proper divisors (24024904).

25331312 is a wasteful number, since it uses less digits than its factorization.

25331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8936 (or 8930 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 25331312 is about 5033.0221537363. The cubic root of 25331312 is about 293.6877923500.

Adding to 25331312 its reverse (21313352), we get a palindrome (46644664).

The spelling of 25331312 in words is "twenty-five million, three hundred thirty-one thousand, three hundred twelve".