522000313 has 2 divisors, whose sum is σ = 522000314. Its totient is φ = 522000312.

The previous prime is 522000299. The next prime is 522000361. The reversal of 522000313 is 313000225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456762384 + 65237929 = 21372^2 + 8077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522000313 is a prime.

It is not a weakly prime, because it can be changed into another prime (522000373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261000156 + 261000157.

It is an arithmetic number, because the mean of its divisors is an integer number (261000157).

Almost surely, 2^522000313 is an apocalyptic number.

It is an amenable number.

522000313 is a deficient number, since it is larger than the sum of its proper divisors (1).

522000313 is an equidigital number, since it uses as much as digits as its factorization.

522000313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 522000313 is about 22847.3261674096. The cubic root of 522000313 is about 805.1749490520.

Adding to 522000313 its reverse (313000225), we get a palindrome (835000538).

The spelling of 522000313 in words is "five hundred twenty-two million, three hundred thirteen", and thus it is an aban number.