25248256 has 40 divisors (see below), whose sum is σ = 55045584. Its totient is φ = 11473920.

The previous prime is 25248191. The next prime is 25248271. The reversal of 25248256 is 65284252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3391 + ... + 7873.

Almost surely, 2^25248256 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 25248256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27522792).

25248256 is an abundant number, since it is smaller than the sum of its proper divisors (29797328).

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

25248256 is an equidigital number, since it uses as much as digits as its factorization.

25248256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512 (or 4496 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 25248256 is about 5024.7642730779. The cubic root of 25248256 is about 293.3664609051.

The spelling of 25248256 in words is "twenty-five million, two hundred forty-eight thousand, two hundred fifty-six".