25197268 has 12 divisors (see below), whose sum is σ = 46416160. Its totient is φ = 11935512.

The previous prime is 25197257. The next prime is 25197299. The reversal of 25197268 is 86279152.

It is a self number, because there is not a number n which added to its sum of digits gives 25197268.

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, 165696 + ... + 165847.

Almost surely, 2^25197268 is an apocalyptic number.

It is an amenable number.

25197268 is a deficient number, since it is larger than the sum of its proper divisors (21218892).

25197268 is a wasteful number, since it uses less digits than its factorization.

25197268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331566 (or 331564 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 25197268 is about 5019.6880381155. The cubic root of 25197268 is about 293.1688466013.

The spelling of 25197268 in words is "twenty-five million, one hundred ninety-seven thousand, two hundred sixty-eight".