513994775 has 12 divisors (see below), whose sum is σ = 728404272. Its totient is φ = 352453440.

The previous prime is 513994739. The next prime is 513994879. The reversal of 513994775 is 577499315.

It is not a de Polignac number, because 513994775 - 2¹⁸ = 513732631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1468382 + ... + 1468731.

It is an arithmetic number, because the mean of its divisors is an integer number (60700356).

Almost surely, 2^513994775 is an apocalyptic number.

513994775 is a deficient number, since it is larger than the sum of its proper divisors (214409497).

513994775 is a wasteful number, since it uses less digits than its factorization.

513994775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937130 (or 2937125 counting only the distinct ones).

The product of its digits is 1190700, while the sum is 50.

The square root of 513994775 is about 22671.4528647813. The cubic root of 513994775 is about 801.0375989662.

The spelling of 513994775 in words is "five hundred thirteen million, nine hundred ninety-four thousand, seven hundred seventy-five".