25200972 has 18 divisors (see below), whose sum is σ = 63702548. Its totient is φ = 8400312.

The previous prime is 25200949. The next prime is 25200979. The reversal of 25200972 is 27900252.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (25200979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 349978 + ... + 350049.

Almost surely, 2^25200972 is an apocalyptic number.

It is an amenable number.

25200972 is an abundant number, since it is smaller than the sum of its proper divisors (38501576).

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

25200972 is a wasteful number, since it uses less digits than its factorization.

25200972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700037 (or 700032 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 25200972 is about 5020.0569717883. The cubic root of 25200972 is about 293.1832111771.

The spelling of 25200972 in words is "twenty-five million, two hundred thousand, nine hundred seventy-two".