518328229 has 2 divisors, whose sum is σ = 518328230. Its totient is φ = 518328228.

The previous prime is 518328211. The next prime is 518328233. The reversal of 518328229 is 922823815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449355204 + 68973025 = 21198^2 + 8305^2 .

It is a cyclic number.

It is not a de Polignac number, because 518328229 - 2⁵ = 518328197 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 518328191 and 518328200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518328259) 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, 259164114 + 259164115.

It is an arithmetic number, because the mean of its divisors is an integer number (259164115).

Almost surely, 2^518328229 is an apocalyptic number.

It is an amenable number.

518328229 is a deficient number, since it is larger than the sum of its proper divisors (1).

518328229 is an equidigital number, since it uses as much as digits as its factorization.

518328229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 40.

The square root of 518328229 is about 22766.8229887264. The cubic root of 518328229 is about 803.2824659553.

The spelling of 518328229 in words is "five hundred eighteen million, three hundred twenty-eight thousand, two hundred twenty-nine".