516799427 has 2 divisors, whose sum is σ = 516799428. Its totient is φ = 516799426.

The previous prime is 516799421. The next prime is 516799453. The reversal of 516799427 is 724997615.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-516799427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (516799421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258399713 + 258399714.

It is an arithmetic number, because the mean of its divisors is an integer number (258399714).

Almost surely, 2^516799427 is an apocalyptic number.

516799427 is a deficient number, since it is larger than the sum of its proper divisors (1).

516799427 is an equidigital number, since it uses as much as digits as its factorization.

516799427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 50.

The square root of 516799427 is about 22733.2229787155. Note that the first 3 decimals coincide. The cubic root of 516799427 is about 802.4919313507.

The spelling of 516799427 in words is "five hundred sixteen million, seven hundred ninety-nine thousand, four hundred twenty-seven".