864669325 has 12 divisors (see below), whose sum is σ = 1154666548. Its totient is φ = 638524800.

The previous prime is 864669277. The next prime is 864669331. The reversal of 864669325 is 523966468.

It can be written as a sum of positive squares in 6 ways, for example, as 286218724 + 578450601 = 16918^2 + 24051^2 .

It is not a de Polignac number, because 864669325 - 2⁹ = 864668813 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1329936 + ... + 1330585.

Almost surely, 2^864669325 is an apocalyptic number.

It is an amenable number.

864669325 is a deficient number, since it is larger than the sum of its proper divisors (289997223).

864669325 is a wasteful number, since it uses less digits than its factorization.

864669325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660544 (or 2660539 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The square root of 864669325 is about 29405.2601586859. The cubic root of 864669325 is about 952.6865138115.

The spelling of 864669325 in words is "eight hundred sixty-four million, six hundred sixty-nine thousand, three hundred twenty-five".