518046497 has 2 divisors, whose sum is σ = 518046498. Its totient is φ = 518046496.

The previous prime is 518046427. The next prime is 518046511. The reversal of 518046497 is 794640815.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 514200976 + 3845521 = 22676^2 + 1961^2 .

It is a cyclic number.

It is not a de Polignac number, because 518046497 - 2¹² = 518042401 is a prime.

It is not a weakly prime, because it can be changed into another prime (518046427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259023248 + 259023249.

It is an arithmetic number, because the mean of its divisors is an integer number (259023249).

Almost surely, 2^518046497 is an apocalyptic number.

It is an amenable number.

518046497 is a deficient number, since it is larger than the sum of its proper divisors (1).

518046497 is an equidigital number, since it uses as much as digits as its factorization.

518046497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 518046497 is about 22760.6348110065. The cubic root of 518046497 is about 803.1369009264.

The spelling of 518046497 in words is "five hundred eighteen million, forty-six thousand, four hundred ninety-seven".