25826256 has 80 divisors (see below), whose sum is σ = 74757120. Its totient is φ = 8536320.

The previous prime is 25826237. The next prime is 25826261. The reversal of 25826256 is 65262852.

25826256 is a `hidden beast` number, since 25 + 8 + 2 + 625 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25826256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82356 + ... + 82668.

It is an arithmetic number, because the mean of its divisors is an integer number (934464).

Almost surely, 2^25826256 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 25826256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37378560).

25826256 is an abundant number, since it is smaller than the sum of its proper divisors (48930864).

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

25826256 is a wasteful number, since it uses less digits than its factorization.

25826256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 509 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 25826256 is about 5081.9539549272. The cubic root of 25826256 is about 295.5882392567.

It can be divided in two parts, 25 and 826256, that added together give a square (826281 = 909²).

The spelling of 25826256 in words is "twenty-five million, eight hundred twenty-six thousand, two hundred fifty-six".