513695311 has 2 divisors, whose sum is σ = 513695312. Its totient is φ = 513695310.

The previous prime is 513695279. The next prime is 513695353. The reversal of 513695311 is 113596315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513695311 - 2⁵ = 513695279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513699311) 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 as a sum of consecutive naturals, namely, 256847655 + 256847656.

It is an arithmetic number, because the mean of its divisors is an integer number (256847656).

Almost surely, 2^513695311 is an apocalyptic number.

513695311 is a deficient number, since it is larger than the sum of its proper divisors (1).

513695311 is an equidigital number, since it uses as much as digits as its factorization.

513695311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12150, while the sum is 34.

The square root of 513695311 is about 22664.8474735658. The cubic root of 513695311 is about 800.8820017130.

The spelling of 513695311 in words is "five hundred thirteen million, six hundred ninety-five thousand, three hundred eleven".