518044133 has 2 divisors, whose sum is σ = 518044134. Its totient is φ = 518044132.

The previous prime is 518044127. The next prime is 518044181. The reversal of 518044133 is 331440815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 515426209 + 2617924 = 22703^2 + 1618^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-518044133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 518044096 and 518044105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (518044103) 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, 259022066 + 259022067.

It is an arithmetic number, because the mean of its divisors is an integer number (259022067).

Almost surely, 2^518044133 is an apocalyptic number.

It is an amenable number.

518044133 is a deficient number, since it is larger than the sum of its proper divisors (1).

518044133 is an equidigital number, since it uses as much as digits as its factorization.

518044133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 518044133 is about 22760.5828791795. The cubic root of 518044133 is about 803.1356792738.

Adding to 518044133 its reverse (331440815), we get a palindrome (849484948).

The spelling of 518044133 in words is "five hundred eighteen million, forty-four thousand, one hundred thirty-three".