25166572 has 12 divisors (see below), whose sum is σ = 44082360. Its totient is φ = 12571616.

The previous prime is 25166527. The next prime is 25166593. The reversal of 25166572 is 27566152.

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, 3504 + ... + 7912.

It is an arithmetic number, because the mean of its divisors is an integer number (3673530).

Almost surely, 2^25166572 is an apocalyptic number.

It is an amenable number.

25166572 is a deficient number, since it is larger than the sum of its proper divisors (18915788).

25166572 is a wasteful number, since it uses less digits than its factorization.

25166572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5840 (or 5838 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 25166572 is about 5016.6295458206. The cubic root of 25166572 is about 293.0497494607.

The spelling of 25166572 in words is "twenty-five million, one hundred sixty-six thousand, five hundred seventy-two".