25212972 has 24 divisors (see below), whose sum is σ = 62291376. Its totient is φ = 7909888.

The previous prime is 25212961. The next prime is 25212997. The reversal of 25212972 is 27921252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61593 + ... + 62000.

It is an arithmetic number, because the mean of its divisors is an integer number (2595474).

Almost surely, 2^25212972 is an apocalyptic number.

It is an amenable number.

25212972 is an abundant number, since it is smaller than the sum of its proper divisors (37078404).

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

25212972 is a wasteful number, since it uses less digits than its factorization.

25212972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123617 (or 123615 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 25212972 is about 5021.2520351004. The cubic root of 25212972 is about 293.2297390156.

The spelling of 25212972 in words is "twenty-five million, two hundred twelve thousand, nine hundred seventy-two".