513312775 has 6 divisors (see below), whose sum is σ = 636507872. Its totient is φ = 410650200.

The previous prime is 513312749. The next prime is 513312823. The reversal of 513312775 is 577213315.

It is not a de Polignac number, because 513312775 - 2¹¹ = 513310727 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 513312775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10266231 + ... + 10266280.

Almost surely, 2^513312775 is an apocalyptic number.

513312775 is a deficient number, since it is larger than the sum of its proper divisors (123195097).

513312775 is a wasteful number, since it uses less digits than its factorization.

513312775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20532521 (or 20532516 counting only the distinct ones).

The product of its digits is 22050, while the sum is 34.

The square root of 513312775 is about 22656.4069304910. The cubic root of 513312775 is about 800.6831534398.

The spelling of 513312775 in words is "five hundred thirteen million, three hundred twelve thousand, seven hundred seventy-five".