513109959 has 8 divisors (see below), whose sum is σ = 688738800. Its totient is φ = 339777216.

The previous prime is 513109939. The next prime is 513109999. The reversal of 513109959 is 959901315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513109959 - 2⁸ = 513109703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513109959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513109939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573502 + ... + 574395.

It is an arithmetic number, because the mean of its divisors is an integer number (86092350).

Almost surely, 2^513109959 is an apocalyptic number.

513109959 is a deficient number, since it is larger than the sum of its proper divisors (175628841).

513109959 is a wasteful number, since it uses less digits than its factorization.

513109959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148049.

The product of its (nonzero) digits is 54675, while the sum is 42.

The square root of 513109959 is about 22651.9305799749. The cubic root of 513109959 is about 800.5776863935.

The spelling of 513109959 in words is "five hundred thirteen million, one hundred nine thousand, nine hundred fifty-nine".