25896256 has 56 divisors (see below), whose sum is σ = 53766720. Its totient is φ = 12364800.

The previous prime is 25896251. The next prime is 25896257. The reversal of 25896256 is 65269852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25896251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186235 + ... + 186373.

It is an arithmetic number, because the mean of its divisors is an integer number (960120).

Almost surely, 2^25896256 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 25896256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26883360).

25896256 is an abundant number, since it is smaller than the sum of its proper divisors (27870464).

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

25896256 is a wasteful number, since it uses less digits than its factorization.

25896256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 253 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 25896256 is about 5088.8364092393. The cubic root of 25896256 is about 295.8550544302.

The spelling of 25896256 in words is "twenty-five million, eight hundred ninety-six thousand, two hundred fifty-six".