25974172 has 12 divisors (see below), whose sum is σ = 51948400. Its totient is φ = 11131776.

The previous prime is 25974161. The next prime is 25974191. The reversal of 25974172 is 27147952.

25974172 is an admirable number.

It is a super-2 number, since 2×25974172² = 1349315222171168, which contains 22 as substring.

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, 463797 + ... + 463852.

Almost surely, 2^25974172 is an apocalyptic number.

It is an amenable number.

25974172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25974172 is a wasteful number, since it uses less digits than its factorization.

25974172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927660 (or 927658 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 25974172 is about 5096.4862405387. The cubic root of 25974172 is about 296.1514777397.

The spelling of 25974172 in words is "twenty-five million, nine hundred seventy-four thousand, one hundred seventy-two".