25973812 has 12 divisors (see below), whose sum is σ = 45756256. Its totient is φ = 12900600.

The previous prime is 25973791. The next prime is 25973813. The reversal of 25973812 is 21837952.

It is a super-2 number, since 2×25973812² = 1349277819622688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25973813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20898 + ... + 22105.

Almost surely, 2^25973812 is an apocalyptic number.

It is an amenable number.

25973812 is a deficient number, since it is larger than the sum of its proper divisors (19782444).

25973812 is a wasteful number, since it uses less digits than its factorization.

25973812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43158 (or 43156 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 25973812 is about 5096.4509219652. The cubic root of 25973812 is about 296.1501095212.

The spelling of 25973812 in words is "twenty-five million, nine hundred seventy-three thousand, eight hundred twelve".