818525612 has 12 divisors (see below), whose sum is σ = 1478627136. Its totient is φ = 396060720.

The previous prime is 818525579. The next prime is 818525629. The reversal of 818525612 is 216525818.

818525612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300383 + ... + 3300630.

It is an arithmetic number, because the mean of its divisors is an integer number (123218928).

Almost surely, 2^818525612 is an apocalyptic number.

It is an amenable number.

818525612 is a deficient number, since it is larger than the sum of its proper divisors (660101524).

818525612 is a wasteful number, since it uses less digits than its factorization.

818525612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601048 (or 6601046 counting only the distinct ones).

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

The square root of 818525612 is about 28609.8866128477. The cubic root of 818525612 is about 935.4288449995.

The spelling of 818525612 in words is "eight hundred eighteen million, five hundred twenty-five thousand, six hundred twelve".