25387296 has 96 divisors (see below), whose sum is σ = 75297600. Its totient is φ = 7418880.

The previous prime is 25387279. The next prime is 25387319. The reversal of 25387296 is 69278352.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30210 + ... + 31038.

It is an arithmetic number, because the mean of its divisors is an integer number (784350).

Almost surely, 2^25387296 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 25387296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37648800).

25387296 is an abundant number, since it is smaller than the sum of its proper divisors (49910304).

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

25387296 is a wasteful number, since it uses less digits than its factorization.

25387296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 874 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 25387296 is about 5038.5807525532. The cubic root of 25387296 is about 293.9039901226.

The spelling of 25387296 in words is "twenty-five million, three hundred eighty-seven thousand, two hundred ninety-six".