513643116 has 24 divisors (see below), whose sum is σ = 1369715200. Its totient is φ = 146755152.

The previous prime is 513643057. The next prime is 513643147. The reversal of 513643116 is 611346315.

It is a super-2 number, since 2×513643116² = 527658501228378912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3057316 + ... + 3057483.

Almost surely, 2^513643116 is an apocalyptic number.

It is an amenable number.

513643116 is an abundant number, since it is smaller than the sum of its proper divisors (856072084).

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

513643116 is a wasteful number, since it uses less digits than its factorization.

513643116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114813 (or 6114811 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 513643116 is about 22663.6959916074. The cubic root of 513643116 is about 800.8548757423.

The spelling of 513643116 in words is "five hundred thirteen million, six hundred forty-three thousand, one hundred sixteen".