25172396 has 12 divisors (see below), whose sum is σ = 45967152. Its totient is φ = 12038928.

The previous prime is 25172387. The next prime is 25172417. The reversal of 25172396 is 69327152.

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, 136715 + ... + 136898.

It is an arithmetic number, because the mean of its divisors is an integer number (3830596).

Almost surely, 2^25172396 is an apocalyptic number.

It is an amenable number.

25172396 is a deficient number, since it is larger than the sum of its proper divisors (20794756).

25172396 is a wasteful number, since it uses less digits than its factorization.

25172396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273640 (or 273638 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 25172396 is about 5017.2099816531. The cubic root of 25172396 is about 293.0723533881.

It can be divided in two parts, 2517 and 2396, that added together give a cube (4913 = 17³).

The spelling of 25172396 in words is "twenty-five million, one hundred seventy-two thousand, three hundred ninety-six".