522317 has 2 divisors, whose sum is σ = 522318. Its totient is φ = 522316.

The previous prime is 522289. The next prime is 522323. The reversal of 522317 is 713225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373321 + 148996 = 611^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 522317 - 2⁸ = 522061 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261158 + 261159.

It is an arithmetic number, because the mean of its divisors is an integer number (261159).

2⁵²²³¹⁷ is an apocalyptic number.

It is an amenable number.

522317 is a deficient number, since it is larger than the sum of its proper divisors (1).

522317 is an equidigital number, since it uses as much as digits as its factorization.

522317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 20.

The square root of 522317 is about 722.7150199076. The cubic root of 522317 is about 80.5337743904.

It can be divided in two parts, 5 and 22317, that added together give a palindrome (22322).

The spelling of 522317 in words is "five hundred twenty-two thousand, three hundred seventeen".