25292268 has 72 divisors (see below), whose sum is σ = 68140800. Its totient is φ = 7887456.

The previous prime is 25292261. The next prime is 25292269. The reversal of 25292268 is 86229252.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (25292261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70273 + ... + 70631.

It is an arithmetic number, because the mean of its divisors is an integer number (946400).

Almost surely, 2^25292268 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 25292268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34070400).

25292268 is an abundant number, since it is smaller than the sum of its proper divisors (42848532).

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

25292268 is a wasteful number, since it uses less digits than its factorization.

25292268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 486 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 25292268 is about 5029.1418751115. The cubic root of 25292268 is about 293.5368244810.

The spelling of 25292268 in words is "twenty-five million, two hundred ninety-two thousand, two hundred sixty-eight".