513452660 has 48 divisors (see below), whose sum is σ = 1233671040. Its totient is φ = 175843200.

The previous prime is 513452657. The next prime is 513452671. The reversal of 513452660 is 66254315.

It is a super-2 number, since 2×513452660² = 527267268122151200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180731 + ... + 183549.

It is an arithmetic number, because the mean of its divisors is an integer number (25701480).

Almost surely, 2^513452660 is an apocalyptic number.

It is an amenable number.

513452660 is an abundant number, since it is smaller than the sum of its proper divisors (720218380).

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

513452660 is a wasteful number, since it uses less digits than its factorization.

513452660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136 (or 4134 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 513452660 is about 22659.4938160586. The cubic root of 513452660 is about 800.7558793331.

The spelling of 513452660 in words is "five hundred thirteen million, four hundred fifty-two thousand, six hundred sixty".