685182152 has 16 divisors (see below), whose sum is σ = 1293961200. Its totient is φ = 340125840.

The previous prime is 685182143. The next prime is 685182191. The reversal of 685182152 is 251281586.

It is a super-2 number, since 2×685182152² = 938949162838702208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306974 + ... + 309197.

It is an arithmetic number, because the mean of its divisors is an integer number (80872575).

Almost surely, 2^685182152 is an apocalyptic number.

It is an amenable number.

685182152 is a deficient number, since it is larger than the sum of its proper divisors (608779048).

685182152 is a wasteful number, since it uses less digits than its factorization.

685182152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616316 (or 616312 counting only the distinct ones).

The product of its digits is 38400, while the sum is 38.

The square root of 685182152 is about 26175.9842603865. The cubic root of 685182152 is about 881.5941112284.

The spelling of 685182152 in words is "six hundred eighty-five million, one hundred eighty-two thousand, one hundred fifty-two".