513379775 has 24 divisors (see below), whose sum is σ = 646364880. Its totient is φ = 404444160.

The previous prime is 513379759. The next prime is 513379777. The reversal of 513379775 is 577973315.

It is not a de Polignac number, because 513379775 - 2⁴ = 513379759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513379777) 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 23 ways as a sum of consecutive naturals, for example, 651932 + ... + 652718.

It is an arithmetic number, because the mean of its divisors is an integer number (26931870).

Almost surely, 2^513379775 is an apocalyptic number.

513379775 is a deficient number, since it is larger than the sum of its proper divisors (132985105).

513379775 is a wasteful number, since it uses less digits than its factorization.

513379775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163 (or 1158 counting only the distinct ones).

The product of its digits is 694575, while the sum is 47.

The square root of 513379775 is about 22657.8854926933. The cubic root of 513379775 is about 800.7179882358.

The spelling of 513379775 in words is "five hundred thirteen million, three hundred seventy-nine thousand, seven hundred seventy-five".