25493872 has 20 divisors (see below), whose sum is σ = 49952160. Its totient is φ = 12603008.

The previous prime is 25493869. The next prime is 25493887. The reversal of 25493872 is 27839452.

It is a plaindrome in base 14.

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, 7528 + ... + 10375.

It is an arithmetic number, because the mean of its divisors is an integer number (2497608).

Almost surely, 2^25493872 is an apocalyptic number.

It is an amenable number.

25493872 is a deficient number, since it is larger than the sum of its proper divisors (24458288).

25493872 is a wasteful number, since it uses less digits than its factorization.

25493872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18000 (or 17994 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 25493872 is about 5049.1456703090. The cubic root of 25493872 is about 294.3146861135.

The spelling of 25493872 in words is "twenty-five million, four hundred ninety-three thousand, eight hundred seventy-two".