25800992 has 24 divisors (see below), whose sum is σ = 58052736. Its totient is φ = 11057472.

The previous prime is 25800991. The next prime is 25800997. The reversal of 25800992 is 29900852.

It is not an unprimeable number, because it can be changed into a prime (25800991) 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, 57368 + ... + 57815.

It is an arithmetic number, because the mean of its divisors is an integer number (2418864).

Almost surely, 2^25800992 is an apocalyptic number.

It is an amenable number.

25800992 is an abundant number, since it is smaller than the sum of its proper divisors (32251744).

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

25800992 is a wasteful number, since it uses less digits than its factorization.

25800992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115200 (or 115192 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 25800992 is about 5079.4676886461. The cubic root of 25800992 is about 295.4918234534.

The spelling of 25800992 in words is "twenty-five million, eight hundred thousand, nine hundred ninety-two".