25853256 has 224 divisors, whose sum is σ = 88139520. Its totient is φ = 6998400.

The previous prime is 25853237. The next prime is 25853279. The reversal of 25853256 is 65235852.

It is a happy number.

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

Its product of digits (72000) is a multiple of the sum of its prime divisors (60).

It is a self number, because there is not a number n which added to its sum of digits gives 25853256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 833961 + ... + 833991.

It is an arithmetic number, because the mean of its divisors is an integer number (393480).

Almost surely, 2^25853256 is an apocalyptic number.

25853256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25853256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44069760).

25853256 is an abundant number, since it is smaller than the sum of its proper divisors (62286264).

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

25853256 is a wasteful number, since it uses less digits than its factorization.

25853256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 60 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 25853256 is about 5084.6097195360. The cubic root of 25853256 is about 295.6912107299.

The spelling of 25853256 in words is "twenty-five million, eight hundred fifty-three thousand, two hundred fifty-six".