513316994 has 8 divisors (see below), whose sum is σ = 796526460. Its totient is φ = 247808176.

The previous prime is 513316987. The next prime is 513317071. The reversal of 513316994 is 499613315.

It can be written as a sum of positive squares in 2 ways, for example, as 500103769 + 13213225 = 22363^2 + 3635^2 .

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

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, 4425089 + ... + 4425204.

Almost surely, 2^513316994 is an apocalyptic number.

513316994 is a deficient number, since it is larger than the sum of its proper divisors (283209466).

513316994 is a wasteful number, since it uses less digits than its factorization.

513316994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850324.

The product of its digits is 87480, while the sum is 41.

The square root of 513316994 is about 22656.5000386203. The cubic root of 513316994 is about 800.6853470816.

The spelling of 513316994 in words is "five hundred thirteen million, three hundred sixteen thousand, nine hundred ninety-four".