530831685 has 16 divisors (see below), whose sum is σ = 849873024. Its totient is φ = 282929472.

The previous prime is 530831657. The next prime is 530831737. The reversal of 530831685 is 586138035.

It is not a de Polignac number, because 530831685 - 2¹³ = 530823493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14944 + ... + 35846.

It is an arithmetic number, because the mean of its divisors is an integer number (53117064).

Almost surely, 2^530831685 is an apocalyptic number.

It is an amenable number.

530831685 is a deficient number, since it is larger than the sum of its proper divisors (319041339).

530831685 is a wasteful number, since it uses less digits than its factorization.

530831685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22604.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 530831685 is about 23039.7848297244. The cubic root of 530831685 is about 809.6903175252.

The spelling of 530831685 in words is "five hundred thirty million, eight hundred thirty-one thousand, six hundred eighty-five".