513790018 has 16 divisors (see below), whose sum is σ = 886190400. Its totient is φ = 218843856.

The previous prime is 513789977. The next prime is 513790021. The reversal of 513790018 is 810097315.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110293 + ... + 114856.

It is an arithmetic number, because the mean of its divisors is an integer number (55386900).

Almost surely, 2^513790018 is an apocalyptic number.

513790018 is a deficient number, since it is larger than the sum of its proper divisors (372400382).

513790018 is a wasteful number, since it uses less digits than its factorization.

513790018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225321.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 513790018 is about 22666.9366699605. The cubic root of 513790018 is about 800.9312166655.

The spelling of 513790018 in words is "five hundred thirteen million, seven hundred ninety thousand, eighteen".