513043268 has 6 divisors (see below), whose sum is σ = 897825726. Its totient is φ = 256521632.

The previous prime is 513043249. The next prime is 513043303. The reversal of 513043268 is 862340315.

It can be written as a sum of positive squares in only one way, i.e., 332624644 + 180418624 = 18238^2 + 13432^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64130405 + ... + 64130412.

It is an arithmetic number, because the mean of its divisors is an integer number (149637621).

Almost surely, 2^513043268 is an apocalyptic number.

It is an amenable number.

513043268 is a deficient number, since it is larger than the sum of its proper divisors (384782458).

513043268 is a wasteful number, since it uses less digits than its factorization.

513043268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128260821 (or 128260819 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 513043268 is about 22650.4584501065. The cubic root of 513043268 is about 800.5430001052.

The spelling of 513043268 in words is "five hundred thirteen million, forty-three thousand, two hundred sixty-eight".