25130992 has 20 divisors (see below), whose sum is σ = 50008456. Its totient is φ = 12225600.

The previous prime is 25130953. The next prime is 25130993. The reversal of 25130992 is 29903152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25130993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20634 + ... + 21817.

Almost surely, 2^25130992 is an apocalyptic number.

It is an amenable number.

25130992 is a deficient number, since it is larger than the sum of its proper divisors (24877464).

25130992 is a wasteful number, since it uses less digits than its factorization.

25130992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42496 (or 42490 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 25130992 is about 5013.0820859028. The cubic root of 25130992 is about 292.9115816874.

The spelling of 25130992 in words is "twenty-five million, one hundred thirty thousand, nine hundred ninety-two".