25937972 has 12 divisors (see below), whose sum is σ = 45749760. Its totient is φ = 12866616.

The previous prime is 25937969. The next prime is 25937981. The reversal of 25937972 is 27973952.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25022 + ... + 26037.

It is an arithmetic number, because the mean of its divisors is an integer number (3812480).

Almost surely, 2^25937972 is an apocalyptic number.

It is an amenable number.

25937972 is a deficient number, since it is larger than the sum of its proper divisors (19811788).

25937972 is a wasteful number, since it uses less digits than its factorization.

25937972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51190 (or 51188 counting only the distinct ones).

The product of its digits is 238140, while the sum is 44.

The square root of 25937972 is about 5092.9335357925. The cubic root of 25937972 is about 296.0138324434.

The spelling of 25937972 in words is "twenty-five million, nine hundred thirty-seven thousand, nine hundred seventy-two".