25803264 has 80 divisors (see below), whose sum is σ = 69825888. Its totient is φ = 8466432.

The previous prime is 25803247. The next prime is 25803269. The reversal of 25803264 is 46230852.

It is not an unprimeable number, because it can be changed into a prime (25803269) 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, 164274 + ... + 164430.

Almost surely, 2^25803264 is an apocalyptic number.

25803264 is a gapful number since it is divisible by the number (24) 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 25803264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34912944).

25803264 is an abundant number, since it is smaller than the sum of its proper divisors (44022624).

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

25803264 is a wasteful number, since it uses less digits than its factorization.

25803264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 25803264 is about 5079.6913292050. The cubic root of 25803264 is about 295.5004967339.

The spelling of 25803264 in words is "twenty-five million, eight hundred three thousand, two hundred sixty-four".