513085015 has 4 divisors (see below), whose sum is σ = 615702024. Its totient is φ = 410468008.

The previous prime is 513085003. The next prime is 513085037. The reversal of 513085015 is 510580315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 513085015 - 2²¹ = 510987863 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 51308497 + ... + 51308506.

It is an arithmetic number, because the mean of its divisors is an integer number (153925506).

Almost surely, 2^513085015 is an apocalyptic number.

513085015 is a deficient number, since it is larger than the sum of its proper divisors (102617009).

513085015 is a wasteful number, since it uses less digits than its factorization.

513085015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102617008.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 513085015 is about 22651.3799800365. The cubic root of 513085015 is about 800.5647132590.

The spelling of 513085015 in words is "five hundred thirteen million, eighty-five thousand, fifteen".