518252057 has 2 divisors, whose sum is σ = 518252058. Its totient is φ = 518252056.

The previous prime is 518252027. The next prime is 518252099. The reversal of 518252057 is 750252815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504271936 + 13980121 = 22456^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 518252057 - 2¹⁰ = 518251033 is a prime.

It is not a weakly prime, because it can be changed into another prime (518252027) 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, 259126028 + 259126029.

It is an arithmetic number, because the mean of its divisors is an integer number (259126029).

Almost surely, 2^518252057 is an apocalyptic number.

It is an amenable number.

518252057 is a deficient number, since it is larger than the sum of its proper divisors (1).

518252057 is an equidigital number, since it uses as much as digits as its factorization.

518252057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28000, while the sum is 35.

The square root of 518252057 is about 22765.1500544143. The cubic root of 518252057 is about 803.2431146806.

The spelling of 518252057 in words is "five hundred eighteen million, two hundred fifty-two thousand, fifty-seven".