513394507 has 2 divisors, whose sum is σ = 513394508. Its totient is φ = 513394506.

The previous prime is 513394463. The next prime is 513394513. The reversal of 513394507 is 705493315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513394507 - 2¹¹ = 513392459 is a prime.

It is not a weakly prime, because it can be changed into another prime (513394597) 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, 256697253 + 256697254.

It is an arithmetic number, because the mean of its divisors is an integer number (256697254).

Almost surely, 2^513394507 is an apocalyptic number.

513394507 is a deficient number, since it is larger than the sum of its proper divisors (1).

513394507 is an equidigital number, since it uses as much as digits as its factorization.

513394507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 513394507 is about 22658.2105868932. The cubic root of 513394507 is about 800.7256473251.

The spelling of 513394507 in words is "five hundred thirteen million, three hundred ninety-four thousand, five hundred seven".