864325503 has 12 divisors (see below), whose sum is σ = 1253080608. Its totient is φ = 574089120.

The previous prime is 864325493. The next prime is 864325519. The reversal of 864325503 is 305523468.

It is a happy number.

864325503 is a `hidden beast` number, since 8 + 643 + 2 + 5 + 5 + 0 + 3 = 666.

It is not a de Polignac number, because 864325503 - 2¹² = 864321407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864325573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174750 + ... + 179627.

It is an arithmetic number, because the mean of its divisors is an integer number (104423384).

Almost surely, 2^864325503 is an apocalyptic number.

864325503 is a deficient number, since it is larger than the sum of its proper divisors (388755105).

864325503 is a wasteful number, since it uses less digits than its factorization.

864325503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354654 (or 354651 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 864325503 is about 29399.4133104727. The cubic root of 864325503 is about 952.5602235260.

The spelling of 864325503 in words is "eight hundred sixty-four million, three hundred twenty-five thousand, five hundred three".