522430313 has 2 divisors, whose sum is σ = 522430314. Its totient is φ = 522430312.

The previous prime is 522430297. The next prime is 522430319. The reversal of 522430313 is 313034225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422590249 + 99840064 = 20557^2 + 9992^2 .

It is a cyclic number.

It is not a de Polignac number, because 522430313 - 2⁴ = 522430297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (522430319) 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, 261215156 + 261215157.

It is an arithmetic number, because the mean of its divisors is an integer number (261215157).

Almost surely, 2^522430313 is an apocalyptic number.

It is an amenable number.

522430313 is a deficient number, since it is larger than the sum of its proper divisors (1).

522430313 is an equidigital number, since it uses as much as digits as its factorization.

522430313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 522430313 is about 22856.7345217990. The cubic root of 522430313 is about 805.3959771464.

Adding to 522430313 its reverse (313034225), we get a palindrome (835464538).

The spelling of 522430313 in words is "five hundred twenty-two million, four hundred thirty thousand, three hundred thirteen".