25415264 has 48 divisors (see below), whose sum is σ = 57915648. Its totient is φ = 10753152.

The previous prime is 25415251. The next prime is 25415303. The reversal of 25415264 is 46251452.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17909 + ... + 19275.

It is an arithmetic number, because the mean of its divisors is an integer number (1206576).

Almost surely, 2^25415264 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 25415264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28957824).

25415264 is an abundant number, since it is smaller than the sum of its proper divisors (32500384).

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

25415264 is a wasteful number, since it uses less digits than its factorization.

25415264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467 (or 1459 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 25415264 is about 5041.3553733098. The cubic root of 25415264 is about 294.0118772871.

The spelling of 25415264 in words is "twenty-five million, four hundred fifteen thousand, two hundred sixty-four".