517053534973 has 2 divisors, whose sum is σ = 517053534974. Its totient is φ = 517053534972.

The previous prime is 517053534967. The next prime is 517053535007. The reversal of 517053534973 is 379435350715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455728955929 + 61324579044 = 675077^2 + 247638^2 .

It is a cyclic number.

It is not a de Polignac number, because 517053534973 - 2²¹ = 517051437821 is a prime.

It is a super-2 number, since 2×517053534973² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 517053534973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (517053532973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258526767486 + 258526767487.

It is an arithmetic number, because the mean of its divisors is an integer number (258526767487).

Almost surely, 2^517053534973 is an apocalyptic number.

It is an amenable number.

517053534973 is a deficient number, since it is larger than the sum of its proper divisors (1).

517053534973 is an equidigital number, since it uses as much as digits as its factorization.

517053534973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5953500, while the sum is 52.

The spelling of 517053534973 in words is "five hundred seventeen billion, fifty-three million, five hundred thirty-four thousand, nine hundred seventy-three".