25464764 has 24 divisors (see below), whose sum is σ = 49542528. Its totient is φ = 11373120.

The previous prime is 25464763. The next prime is 25464767. The reversal of 25464764 is 46746452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25464763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6287 + ... + 9510.

It is an arithmetic number, because the mean of its divisors is an integer number (2064272).

Almost surely, 2^25464764 is an apocalyptic number.

It is an amenable number.

25464764 is a deficient number, since it is larger than the sum of its proper divisors (24077764).

25464764 is a wasteful number, since it uses less digits than its factorization.

25464764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15845 (or 15843 counting only the distinct ones).

The product of its digits is 161280, while the sum is 38.

The square root of 25464764 is about 5046.2623792268. The cubic root of 25464764 is about 294.2026307613.

The spelling of 25464764 in words is "twenty-five million, four hundred sixty-four thousand, seven hundred sixty-four".