864574525 has 24 divisors (see below), whose sum is σ = 1137516480. Its totient is φ = 649608960.

The previous prime is 864574517. The next prime is 864574549. The reversal of 864574525 is 525475468.

864574525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 864574525 - 2³ = 864574517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230616 + ... + 234334.

It is an arithmetic number, because the mean of its divisors is an integer number (47396520).

Almost surely, 2^864574525 is an apocalyptic number.

864574525 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

864574525 is a deficient number, since it is larger than the sum of its proper divisors (272941955).

864574525 is a wasteful number, since it uses less digits than its factorization.

864574525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4293 (or 4288 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 46.

The square root of 864574525 is about 29403.6481580092. The cubic root of 864574525 is about 952.6516958837.

The spelling of 864574525 in words is "eight hundred sixty-four million, five hundred seventy-four thousand, five hundred twenty-five".