522005413 has 2 divisors, whose sum is σ = 522005414. Its totient is φ = 522005412.

The previous prime is 522005389. The next prime is 522005431. The reversal of 522005413 is 314500225.

Together with next prime (522005431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512660164 + 9345249 = 22642^2 + 3057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522005413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522005443) 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, 261002706 + 261002707.

It is an arithmetic number, because the mean of its divisors is an integer number (261002707).

Almost surely, 2^522005413 is an apocalyptic number.

It is an amenable number.

522005413 is a deficient number, since it is larger than the sum of its proper divisors (1).

522005413 is an equidigital number, since it uses as much as digits as its factorization.

522005413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 522005413 is about 22847.4377775715. The cubic root of 522005413 is about 805.1775712592.

Adding to 522005413 its reverse (314500225), we get a palindrome (836505638).

The spelling of 522005413 in words is "five hundred twenty-two million, five thousand, four hundred thirteen".