25166992 has 20 divisors (see below), whose sum is σ = 48885760. Its totient is φ = 12551328.

The previous prime is 25166971. The next prime is 25167013. The reversal of 25166992 is 29966152.

It is an interprime number because it is at equal distance from previous prime (25166971) and next prime (25167013).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5233 + ... + 8815.

It is an arithmetic number, because the mean of its divisors is an integer number (2444288).

Almost surely, 2^25166992 is an apocalyptic number.

It is an amenable number.

25166992 is a deficient number, since it is larger than the sum of its proper divisors (23718768).

25166992 is a wasteful number, since it uses less digits than its factorization.

25166992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030 (or 4024 counting only the distinct ones).

The product of its digits is 58320, while the sum is 40.

The square root of 25166992 is about 5016.6714064208. The cubic root of 25166992 is about 293.0513796682.

The spelling of 25166992 in words is "twenty-five million, one hundred sixty-six thousand, nine hundred ninety-two".