516005873 has 2 divisors, whose sum is σ = 516005874. Its totient is φ = 516005872.

The previous prime is 516005863. The next prime is 516005899. The reversal of 516005873 is 378500615.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349802209 + 166203664 = 18703^2 + 12892^2 .

It is a cyclic number.

It is not a de Polignac number, because 516005873 - 2²⁰ = 514957297 is a prime.

It is not a weakly prime, because it can be changed into another prime (516005813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258002936 + 258002937.

It is an arithmetic number, because the mean of its divisors is an integer number (258002937).

Almost surely, 2^516005873 is an apocalyptic number.

It is an amenable number.

516005873 is a deficient number, since it is larger than the sum of its proper divisors (1).

516005873 is an equidigital number, since it uses as much as digits as its factorization.

516005873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 516005873 is about 22715.7626550376. The cubic root of 516005873 is about 802.0809744258.

The spelling of 516005873 in words is "five hundred sixteen million, five thousand, eight hundred seventy-three".