513345880 has 16 divisors (see below), whose sum is σ = 1155028320. Its totient is φ = 205338336.

The previous prime is 513345829. The next prime is 513345887. The reversal of 513345880 is 88543315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513345887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6416784 + ... + 6416863.

It is an arithmetic number, because the mean of its divisors is an integer number (72189270).

Almost surely, 2^513345880 is an apocalyptic number.

It is an amenable number.

513345880 is an abundant number, since it is smaller than the sum of its proper divisors (641682440).

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

513345880 is a wasteful number, since it uses less digits than its factorization.

513345880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833658 (or 12833654 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 513345880 is about 22657.1375067549. The cubic root of 513345880 is about 800.7003658473.

The spelling of 513345880 in words is "five hundred thirteen million, three hundred forty-five thousand, eight hundred eighty".