517042324137277 has 2 divisors, whose sum is σ = 517042324137278. Its totient is φ = 517042324137276.

The previous prime is 517042324137139. The next prime is 517042324137299. The reversal of 517042324137277 is 772731423240715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509411851583716 + 7630472553561 = 22570154^2 + 2762331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-517042324137277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517042324137377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258521162068638 + 258521162068639.

It is an arithmetic number, because the mean of its divisors is an integer number (258521162068639).

Almost surely, 2^{517042324137277} is an apocalyptic number.

It is an amenable number.

517042324137277 is a deficient number, since it is larger than the sum of its proper divisors (1).

517042324137277 is an equidigital number, since it uses as much as digits as its factorization.

517042324137277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13829760, while the sum is 55.

The spelling of 517042324137277 in words is "five hundred seventeen trillion, forty-two billion, three hundred twenty-four million, one hundred thirty-seven thousand, two hundred seventy-seven".