518107613 has 8 divisors (see below), whose sum is σ = 526046976. Its totient is φ = 510224400.

The previous prime is 518107609. The next prime is 518107621. The reversal of 518107613 is 316701815.

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 518107613 - 2² = 518107609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 518107613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518107643) 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, 4748 + ... + 32538.

It is an arithmetic number, because the mean of its divisors is an integer number (65755872).

Almost surely, 2^518107613 is an apocalyptic number.

It is an amenable number.

518107613 is a deficient number, since it is larger than the sum of its proper divisors (7939363).

518107613 is a wasteful number, since it uses less digits than its factorization.

518107613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28075.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 518107613 is about 22761.9773525940. The cubic root of 518107613 is about 803.1684827664.

The spelling of 518107613 in words is "five hundred eighteen million, one hundred seven thousand, six hundred thirteen".