513620832 has 24 divisors (see below), whose sum is σ = 1348254936. Its totient is φ = 171206912.

The previous prime is 513620819. The next prime is 513620837. The reversal of 513620832 is 238026315.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 513620832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513620837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2675013 + ... + 2675204.

It is an arithmetic number, because the mean of its divisors is an integer number (56177289).

Almost surely, 2^513620832 is an apocalyptic number.

It is an amenable number.

513620832 is an abundant number, since it is smaller than the sum of its proper divisors (834634104).

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

513620832 is a wasteful number, since it uses less digits than its factorization.

513620832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350230 (or 5350222 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 513620832 is about 22663.2043630198. The cubic root of 513620832 is about 800.8432940898.

The spelling of 513620832 in words is "five hundred thirteen million, six hundred twenty thousand, eight hundred thirty-two".