516537079 has 2 divisors, whose sum is σ = 516537080. Its totient is φ = 516537078.

The previous prime is 516537071. The next prime is 516537127. The reversal of 516537079 is 970735615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516537079 - 2³ = 516537071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516537071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258268539 + 258268540.

It is an arithmetic number, because the mean of its divisors is an integer number (258268540).

Almost surely, 2^516537079 is an apocalyptic number.

516537079 is a deficient number, since it is larger than the sum of its proper divisors (1).

516537079 is an equidigital number, since it uses as much as digits as its factorization.

516537079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 43.

The square root of 516537079 is about 22727.4521009285. The cubic root of 516537079 is about 802.3561160633.

The spelling of 516537079 in words is "five hundred sixteen million, five hundred thirty-seven thousand, seventy-nine".