512663313 has 16 divisors (see below), whose sum is σ = 690241536. Its totient is φ = 338441040.

The previous prime is 512663309. The next prime is 512663321. The reversal of 512663313 is 313366215.

It is a happy number.

It is not a de Polignac number, because 512663313 - 2² = 512663309 is a prime.

It is a super-2 number, since 2×512663313² = 525647344992271938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (512663323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282178 + ... + 283988.

It is an arithmetic number, because the mean of its divisors is an integer number (43140096).

Almost surely, 2^512663313 is an apocalyptic number.

It is an amenable number.

512663313 is a deficient number, since it is larger than the sum of its proper divisors (177578223).

512663313 is a wasteful number, since it uses less digits than its factorization.

512663313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684.

The product of its digits is 9720, while the sum is 30.

The square root of 512663313 is about 22642.0695388032. The cubic root of 512663313 is about 800.3453264365.

The spelling of 512663313 in words is "five hundred twelve million, six hundred sixty-three thousand, three hundred thirteen".