516591941 has 2 divisors, whose sum is σ = 516591942. Its totient is φ = 516591940.

The previous prime is 516591863. The next prime is 516591961. The reversal of 516591941 is 149195615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516243841 + 348100 = 22721^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 516591941 - 2¹⁴ = 516575557 is a prime.

It is a super-2 number, since 2×516591941² = 533734467012294962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516591961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258295970 + 258295971.

It is an arithmetic number, because the mean of its divisors is an integer number (258295971).

Almost surely, 2^516591941 is an apocalyptic number.

It is an amenable number.

516591941 is a deficient number, since it is larger than the sum of its proper divisors (1).

516591941 is an equidigital number, since it uses as much as digits as its factorization.

516591941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 41.

The square root of 516591941 is about 22728.6590233564. The cubic root of 516591941 is about 802.3845214477.

The spelling of 516591941 in words is "five hundred sixteen million, five hundred ninety-one thousand, nine hundred forty-one".