517245161132741 has 2 divisors, whose sum is σ = 517245161132742. Its totient is φ = 517245161132740.

The previous prime is 517245161132717. The next prime is 517245161132767. The reversal of 517245161132741 is 147231161542715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 299038199583841 + 218206961548900 = 17292721^2 + 14771830^2 .

It is a cyclic number.

It is not a de Polignac number, because 517245161132741 - 2¹⁸ = 517245160870597 is a prime.

It is a super-3 number, since 3×517245161132741³ (a number of 45 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 517245161132741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517245161132041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258622580566370 + 258622580566371.

It is an arithmetic number, because the mean of its divisors is an integer number (258622580566371).

Almost surely, 2^{517245161132741} is an apocalyptic number.

It is an amenable number.

517245161132741 is a deficient number, since it is larger than the sum of its proper divisors (1).

517245161132741 is an equidigital number, since it uses as much as digits as its factorization.

517245161132741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 50.

The spelling of 517245161132741 in words is "five hundred seventeen trillion, two hundred forty-five billion, one hundred sixty-one million, one hundred thirty-two thousand, seven hundred forty-one".