520244113 has 2 divisors, whose sum is σ = 520244114. Its totient is φ = 520244112.

The previous prime is 520244093. The next prime is 520244119. The reversal of 520244113 is 311442025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 486511249 + 33732864 = 22057^2 + 5808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520244113 is a prime.

It is a super-2 number, since 2×520244113² = 541307874222313538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (520244119) 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, 260122056 + 260122057.

It is an arithmetic number, because the mean of its divisors is an integer number (260122057).

Almost surely, 2^520244113 is an apocalyptic number.

It is an amenable number.

520244113 is a deficient number, since it is larger than the sum of its proper divisors (1).

520244113 is an equidigital number, since it uses as much as digits as its factorization.

520244113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 520244113 is about 22808.8604055529. The cubic root of 520244113 is about 804.2709668303.

Adding to 520244113 its reverse (311442025), we get a palindrome (831686138).

The spelling of 520244113 in words is "five hundred twenty million, two hundred forty-four thousand, one hundred thirteen".