516209039 has 2 divisors, whose sum is σ = 516209040. Its totient is φ = 516209038.

The previous prime is 516209021. The next prime is 516209047. The reversal of 516209039 is 930902615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516209039 - 2⁸ = 516208783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516209059) 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, 258104519 + 258104520.

It is an arithmetic number, because the mean of its divisors is an integer number (258104520).

Almost surely, 2^516209039 is an apocalyptic number.

516209039 is a deficient number, since it is larger than the sum of its proper divisors (1).

516209039 is an equidigital number, since it uses as much as digits as its factorization.

516209039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 516209039 is about 22720.2341317162. The cubic root of 516209039 is about 802.1862278797.

The spelling of 516209039 in words is "five hundred sixteen million, two hundred nine thousand, thirty-nine".