518244133 has 16 divisors (see below), whose sum is σ = 630123840. Its totient is φ = 420076800.

The previous prime is 518244113. The next prime is 518244169. The reversal of 518244133 is 331442815.

It is not a de Polignac number, because 518244133 - 2⁵ = 518244101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 518244095 and 518244104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518244113) 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 in 15 ways as a sum of consecutive naturals, for example, 69378 + ... + 76483.

It is an arithmetic number, because the mean of its divisors is an integer number (39382740).

Almost surely, 2^518244133 is an apocalyptic number.

It is an amenable number.

518244133 is a deficient number, since it is larger than the sum of its proper divisors (111879707).

518244133 is a wasteful number, since it uses less digits than its factorization.

518244133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145908.

The product of its digits is 11520, while the sum is 31.

The square root of 518244133 is about 22764.9760158011. The cubic root of 518244133 is about 803.2390208356.

Adding to 518244133 its reverse (331442815), we get a palindrome (849686948).

The spelling of 518244133 in words is "five hundred eighteen million, two hundred forty-four thousand, one hundred thirty-three".