518102939 has 2 divisors, whose sum is σ = 518102940. Its totient is φ = 518102938.

The previous prime is 518102933. The next prime is 518102941. The reversal of 518102939 is 939201815.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-518102939 is a prime.

Together with 518102941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (518102933) 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, 259051469 + 259051470.

It is an arithmetic number, because the mean of its divisors is an integer number (259051470).

Almost surely, 2^518102939 is an apocalyptic number.

518102939 is a deficient number, since it is larger than the sum of its proper divisors (1).

518102939 is an equidigital number, since it uses as much as digits as its factorization.

518102939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 518102939 is about 22761.8746811417. The cubic root of 518102939 is about 803.1660675533.

The spelling of 518102939 in words is "five hundred eighteen million, one hundred two thousand, nine hundred thirty-nine".