516738373 has 2 divisors, whose sum is σ = 516738374. Its totient is φ = 516738372.

The previous prime is 516738359. The next prime is 516738377. The reversal of 516738373 is 373837615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 476199684 + 40538689 = 21822^2 + 6367^2 .

It is a cyclic number.

It is not a de Polignac number, because 516738373 - 2²⁵ = 483183941 is a prime.

It is a super-2 number, since 2×516738373² = 534037092261374258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516738377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258369186 + 258369187.

It is an arithmetic number, because the mean of its divisors is an integer number (258369187).

Almost surely, 2^516738373 is an apocalyptic number.

It is an amenable number.

516738373 is a deficient number, since it is larger than the sum of its proper divisors (1).

516738373 is an equidigital number, since it uses as much as digits as its factorization.

516738373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 516738373 is about 22731.8801026224. The cubic root of 516738373 is about 802.4603283281.

The spelling of 516738373 in words is "five hundred sixteen million, seven hundred thirty-eight thousand, three hundred seventy-three".