25123264 has 28 divisors (see below), whose sum is σ = 50495200. Its totient is φ = 12400128.

The previous prime is 25123253. The next prime is 25123271. The reversal of 25123264 is 46232152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572 + ... + 7540.

It is an arithmetic number, because the mean of its divisors is an integer number (1803400).

Almost surely, 2^25123264 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 25123264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25247600).

25123264 is an abundant number, since it is smaller than the sum of its proper divisors (25371936).

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

25123264 is an equidigital number, since it uses as much as digits as its factorization.

25123264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5050 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 25123264 is about 5012.3112433288. The cubic root of 25123264 is about 292.8815543176.

It can be divided in two parts, 2512 and 3264, that added together give a square (5776 = 76²).

The spelling of 25123264 in words is "twenty-five million, one hundred twenty-three thousand, two hundred sixty-four".