516272839 has 2 divisors, whose sum is σ = 516272840. Its totient is φ = 516272838.

The previous prime is 516272837. The next prime is 516272849. The reversal of 516272839 is 938272615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516272839 - 2¹ = 516272837 is a prime.

Together with 516272837, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 516272795 and 516272804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516272837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258136419 + 258136420.

It is an arithmetic number, because the mean of its divisors is an integer number (258136420).

Almost surely, 2^516272839 is an apocalyptic number.

516272839 is a deficient number, since it is larger than the sum of its proper divisors (1).

516272839 is an equidigital number, since it uses as much as digits as its factorization.

516272839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 516272839 is about 22721.6381231636. The cubic root of 516272839 is about 802.2192748104.

The spelling of 516272839 in words is "five hundred sixteen million, two hundred seventy-two thousand, eight hundred thirty-nine".