518772043 has 2 divisors, whose sum is σ = 518772044. Its totient is φ = 518772042.

The previous prime is 518772019. The next prime is 518772083. The reversal of 518772043 is 340277815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 518772043 - 2⁹ = 518771531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 518771993 and 518772011.

It is not a weakly prime, because it can be changed into another prime (518772083) 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, 259386021 + 259386022.

It is an arithmetic number, because the mean of its divisors is an integer number (259386022).

Almost surely, 2^518772043 is an apocalyptic number.

518772043 is a deficient number, since it is larger than the sum of its proper divisors (1).

518772043 is an equidigital number, since it uses as much as digits as its factorization.

518772043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 518772043 is about 22776.5678494368. The cubic root of 518772043 is about 803.5116684056.

The spelling of 518772043 in words is "five hundred eighteen million, seven hundred seventy-two thousand, forty-three".