522523 has 2 divisors, whose sum is σ = 522524. Its totient is φ = 522522.

The previous prime is 522521. The next prime is 522541. The reversal of 522523 is 325225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 522523 - 2¹ = 522521 is a prime.

Together with 522521, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 5² + 2³ + 5⁸ + 2⁶ + 2¹⁷ + 3⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 522523.

It is not a weakly prime, because it can be changed into another prime (522521) 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, 261261 + 261262.

It is an arithmetic number, because the mean of its divisors is an integer number (261262).

2⁵²²⁵²³ is an apocalyptic number.

522523 is a deficient number, since it is larger than the sum of its proper divisors (1).

522523 is an equidigital number, since it uses as much as digits as its factorization.

522523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 19.

The square root of 522523 is about 722.8575239976. The cubic root of 522523 is about 80.5443604119.

Adding to 522523 its reverse (325225), we get a palindrome (847748).

The spelling of 522523 in words is "five hundred twenty-two thousand, five hundred twenty-three".