25313992 has 32 divisors (see below), whose sum is σ = 52002720. Its totient is φ = 11456640.

The previous prime is 25313987. The next prime is 25313999. The reversal of 25313992 is 29931352.

It is not an unprimeable number, because it can be changed into a prime (25313999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26548 + ... + 27484.

It is an arithmetic number, because the mean of its divisors is an integer number (1625085).

Almost surely, 2^25313992 is an apocalyptic number.

25313992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25313992 is an abundant number, since it is smaller than the sum of its proper divisors (26688728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25313992 is a wasteful number, since it uses less digits than its factorization.

25313992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1257 counting only the distinct ones).

The product of its digits is 14580, while the sum is 34.

The square root of 25313992 is about 5031.3012233417. The cubic root of 25313992 is about 293.6208418459.

The spelling of 25313992 in words is "twenty-five million, three hundred thirteen thousand, nine hundred ninety-two".