25252884 has 60 divisors (see below), whose sum is σ = 67661748. Its totient is φ = 8208000.

The previous prime is 25252867. The next prime is 25252891. The reversal of 25252884 is 48825252.

25252884 is a `hidden beast` number, since 2 + 52 + 528 + 84 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1633284 + 23619600 = 1278^2 + 4860^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 12334 + ... + 14234.

Almost surely, 2^25252884 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 25252884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33830874).

25252884 is an abundant number, since it is smaller than the sum of its proper divisors (42408864).

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

25252884 is a wasteful number, since it uses less digits than its factorization.

25252884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958 (or 1947 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 25252884 is about 5025.2247710923. The cubic root of 25252884 is about 293.3843844801.

The spelling of 25252884 in words is "twenty-five million, two hundred fifty-two thousand, eight hundred eighty-four".