864958425 has 12 divisors (see below), whose sum is σ = 1430064720. Its totient is φ = 461311120.

The previous prime is 864958417. The next prime is 864958477. The reversal of 864958425 is 524859468.

It is a happy number.

It is not a de Polignac number, because 864958425 - 2³ = 864958417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5766315 + ... + 5766464.

It is an arithmetic number, because the mean of its divisors is an integer number (119172060).

Almost surely, 2^864958425 is an apocalyptic number.

It is an amenable number.

864958425 is a deficient number, since it is larger than the sum of its proper divisors (565106295).

864958425 is a wasteful number, since it uses less digits than its factorization.

864958425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532792 (or 11532787 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The square root of 864958425 is about 29410.1755350083. The cubic root of 864958425 is about 952.7926780885.

The spelling of 864958425 in words is "eight hundred sixty-four million, nine hundred fifty-eight thousand, four hundred twenty-five".