513731860 has 48 divisors (see below), whose sum is σ = 1098340992. Its totient is φ = 201801600.

The previous prime is 513731849. The next prime is 513731863. The reversal of 513731860 is 68137315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513731863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 469474 + ... + 470566.

It is an arithmetic number, because the mean of its divisors is an integer number (22882104).

Almost surely, 2^513731860 is an apocalyptic number.

It is an amenable number.

513731860 is an abundant number, since it is smaller than the sum of its proper divisors (584609132).

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

513731860 is a wasteful number, since it uses less digits than its factorization.

513731860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 513731860 is about 22665.6537518775. The cubic root of 513731860 is about 800.9009952951.

The spelling of 513731860 in words is "five hundred thirteen million, seven hundred thirty-one thousand, eight hundred sixty".