513832816 has 30 divisors (see below), whose sum is σ = 1158091800. Its totient is φ = 220213728.

The previous prime is 513832807. The next prime is 513832819. The reversal of 513832816 is 618238315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513832819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326916 + ... + 328483.

It is an arithmetic number, because the mean of its divisors is an integer number (38603060).

Almost surely, 2^513832816 is an apocalyptic number.

513832816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

513832816 is an abundant number, since it is smaller than the sum of its proper divisors (644258984).

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

513832816 is a wasteful number, since it uses less digits than its factorization.

513832816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655421 (or 655408 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 513832816 is about 22667.8807125854. The cubic root of 513832816 is about 800.9534548700.

The spelling of 513832816 in words is "five hundred thirteen million, eight hundred thirty-two thousand, eight hundred sixteen".