513471520 has 48 divisors (see below), whose sum is σ = 1214619840. Its totient is φ = 205127424.

The previous prime is 513471487. The next prime is 513471529. The reversal of 513471520 is 25174315.

It is a happy number.

It is a super-2 number, since 2×513471520² = 527306003702220800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (513471529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168571 + ... + 171589.

It is an arithmetic number, because the mean of its divisors is an integer number (25304580).

Almost surely, 2^513471520 is an apocalyptic number.

It is an amenable number.

513471520 is an abundant number, since it is smaller than the sum of its proper divisors (701148320).

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

513471520 is a wasteful number, since it uses less digits than its factorization.

513471520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097 (or 4089 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 513471520 is about 22659.9099733428. The cubic root of 513471520 is about 800.7656835937.

The spelling of 513471520 in words is "five hundred thirteen million, four hundred seventy-one thousand, five hundred twenty".