518485207 has 2 divisors, whose sum is σ = 518485208. Its totient is φ = 518485206.

The previous prime is 518485141. The next prime is 518485213. The reversal of 518485207 is 702584815.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-518485207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 518485207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518485267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259242603 + 259242604.

It is an arithmetic number, because the mean of its divisors is an integer number (259242604).

Almost surely, 2^518485207 is an apocalyptic number.

518485207 is a deficient number, since it is larger than the sum of its proper divisors (1).

518485207 is an equidigital number, since it uses as much as digits as its factorization.

518485207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 518485207 is about 22770.2702443339. The cubic root of 518485207 is about 803.3635503212.

The spelling of 518485207 in words is "five hundred eighteen million, four hundred eighty-five thousand, two hundred seven".