25295256 has 96 divisors (see below), whose sum is σ = 80870400. Its totient is φ = 6989760.

The previous prime is 25295233. The next prime is 25295273. The reversal of 25295256 is 65259252.

It is a super-2 number, since 2×25295256² = 1279699952211072, which contains 22 as substring.

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

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25295256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14815 + ... + 16433.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^25295256 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 25295256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40435200).

25295256 is an abundant number, since it is smaller than the sum of its proper divisors (55575144).

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

25295256 is a wasteful number, since it uses less digits than its factorization.

25295256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1662 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 25295256 is about 5029.4389349111. The cubic root of 25295256 is about 293.5483833956.

The spelling of 25295256 in words is "twenty-five million, two hundred ninety-five thousand, two hundred fifty-six".