517164943 has 2 divisors, whose sum is σ = 517164944. Its totient is φ = 517164942.

The previous prime is 517164911. The next prime is 517164961. The reversal of 517164943 is 349461715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 517164943 - 2⁵ = 517164911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 517164896 and 517164905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517164143) 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, 258582471 + 258582472.

It is an arithmetic number, because the mean of its divisors is an integer number (258582472).

Almost surely, 2^517164943 is an apocalyptic number.

517164943 is a deficient number, since it is larger than the sum of its proper divisors (1).

517164943 is an equidigital number, since it uses as much as digits as its factorization.

517164943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 517164943 is about 22741.2608049774. The cubic root of 517164943 is about 802.6810792095.

The spelling of 517164943 in words is "five hundred seventeen million, one hundred sixty-four thousand, nine hundred forty-three".