513058717 has 2 divisors, whose sum is σ = 513058718. Its totient is φ = 513058716.

The previous prime is 513058643. The next prime is 513058753. The reversal of 513058717 is 717850315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343694521 + 169364196 = 18539^2 + 13014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513058717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513058787) 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 as a sum of consecutive naturals, namely, 256529358 + 256529359.

It is an arithmetic number, because the mean of its divisors is an integer number (256529359).

Almost surely, 2^513058717 is an apocalyptic number.

It is an amenable number.

513058717 is a deficient number, since it is larger than the sum of its proper divisors (1).

513058717 is an equidigital number, since it uses as much as digits as its factorization.

513058717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 37.

The square root of 513058717 is about 22650.7994781641. The cubic root of 513058717 is about 800.5510354669.

The spelling of 513058717 in words is "five hundred thirteen million, fifty-eight thousand, seven hundred seventeen".