25634268 has 72 divisors (see below), whose sum is σ = 74430720. Its totient is φ = 7356960.

The previous prime is 25634263. The next prime is 25634281. The reversal of 25634268 is 86243652.

25634268 is a `hidden beast` number, since 256 + 342 + 68 = 666.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25634263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5821 + ... + 9227.

It is an arithmetic number, because the mean of its divisors is an integer number (1033760).

Almost surely, 2^25634268 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 25634268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37215360).

25634268 is an abundant number, since it is smaller than the sum of its proper divisors (48796452).

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

25634268 is a wasteful number, since it uses less digits than its factorization.

25634268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3442 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 25634268 is about 5063.0295278618. The cubic root of 25634268 is about 294.8539658321.

The spelling of 25634268 in words is "twenty-five million, six hundred thirty-four thousand, two hundred sixty-eight".