520973708 has 6 divisors (see below), whose sum is σ = 911703996. Its totient is φ = 260486852.

The previous prime is 520973689. The next prime is 520973737. The reversal of 520973708 is 807379025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65121710 + ... + 65121717.

It is an arithmetic number, because the mean of its divisors is an integer number (151950666).

Almost surely, 2^520973708 is an apocalyptic number.

It is an amenable number.

520973708 is a deficient number, since it is larger than the sum of its proper divisors (390730288).

520973708 is a wasteful number, since it uses less digits than its factorization.

520973708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130243431 (or 130243429 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 520973708 is about 22824.8484770436. The cubic root of 520973708 is about 804.6467634787.

The spelling of 520973708 in words is "five hundred twenty million, nine hundred seventy-three thousand, seven hundred eight".