513133266 has 128 divisors (see below), whose sum is σ = 1194393600. Its totient is φ = 146076480.

The previous prime is 513133249. The next prime is 513133301. The reversal of 513133266 is 662331315.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4795585 + ... + 4795691.

It is an arithmetic number, because the mean of its divisors is an integer number (9331200).

Almost surely, 2^513133266 is an apocalyptic number.

513133266 is an abundant number, since it is smaller than the sum of its proper divisors (681260334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513133266 is a wasteful number, since it uses less digits than its factorization.

513133266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

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

The square root of 513133266 is about 22652.4450335941. The cubic root of 513133266 is about 800.5898077600.

The spelling of 513133266 in words is "five hundred thirteen million, one hundred thirty-three thousand, two hundred sixty-six".