25260872 has 48 divisors (see below), whose sum is σ = 59347260. Its totient is φ = 9991296.

The previous prime is 25260871. The next prime is 25260883. The reversal of 25260872 is 27806252.

It can be written as a sum of positive squares in 2 ways, for example, as 25260676 + 196 = 5026^2 + 14^2 .

It is a super-2 number, since 2×25260872² = 1276223308400768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25260871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2618 + ... + 7574.

Almost surely, 2^25260872 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 25260872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29673630).

25260872 is an abundant number, since it is smaller than the sum of its proper divisors (34086388).

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

25260872 is a wasteful number, since it uses less digits than its factorization.

25260872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990 (or 4979 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 25260872 is about 5026.0194985694. The cubic root of 25260872 is about 293.4153156984.

The spelling of 25260872 in words is "twenty-five million, two hundred sixty thousand, eight hundred seventy-two".