25313472 has 140 divisors (see below), whose sum is σ = 79293720. Its totient is φ = 7962624.

The previous prime is 25313447. The next prime is 25313503. The reversal of 25313472 is 27431352.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98368 + ... + 98624.

Almost surely, 2^25313472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25313472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39646860).

25313472 is an abundant number, since it is smaller than the sum of its proper divisors (53980248).

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

25313472 is a wasteful number, since it uses less digits than its factorization.

25313472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 281 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 25313472 is about 5031.2495465838. The cubic root of 25313472 is about 293.6188313125.

The spelling of 25313472 in words is "twenty-five million, three hundred thirteen thousand, four hundred seventy-two".