518113307 has 8 divisors (see below), whose sum is σ = 525967680. Its totient is φ = 510297480.

The previous prime is 518113303. The next prime is 518113327. The reversal of 518113307 is 703311815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 518113307 - 2² = 518113303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 518113307.

It is not an unprimeable number, because it can be changed into a prime (518113303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18044 + ... + 36902.

It is an arithmetic number, because the mean of its divisors is an integer number (65745960).

Almost surely, 2^518113307 is an apocalyptic number.

518113307 is a deficient number, since it is larger than the sum of its proper divisors (7854373).

518113307 is a wasteful number, since it uses less digits than its factorization.

518113307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19273.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 518113307 is about 22762.1024292573. The cubic root of 518113307 is about 803.1714250281.

The spelling of 518113307 in words is "five hundred eighteen million, one hundred thirteen thousand, three hundred seven".