25412868 has 54 divisors (see below), whose sum is σ = 69576234. Its totient is φ = 7817472.

The previous prime is 25412831. The next prime is 25412879. The reversal of 25412868 is 86821452.

It can be written as a sum of positive squares in 3 ways, for example, as 1617984 + 23794884 = 1272^2 + 4878^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3996 + ... + 8172.

Almost surely, 2^25412868 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 25412868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34788117).

25412868 is an abundant number, since it is smaller than the sum of its proper divisors (44163366).

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

25412868 is a wasteful number, since it uses less digits than its factorization.

25412868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213 (or 4195 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 25412868 is about 5041.1177332016. The cubic root of 25412868 is about 294.0026377661.

The spelling of 25412868 in words is "twenty-five million, four hundred twelve thousand, eight hundred sixty-eight".