522373 has 2 divisors, whose sum is σ = 522374. Its totient is φ = 522372.

The previous prime is 522371. The next prime is 522383. The reversal of 522373 is 373225.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 521284 + 1089 = 722^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 522373 - 2¹ = 522371 is a prime.

It is a super-2 number, since 2×522373² = 545747102258, which contains 22 as substring.

Together with 522371, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261186 + 261187.

It is an arithmetic number, because the mean of its divisors is an integer number (261187).

2⁵²²³⁷³ is an apocalyptic number.

It is an amenable number.

522373 is a deficient number, since it is larger than the sum of its proper divisors (1).

522373 is an equidigital number, since it uses as much as digits as its factorization.

522373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 22.

The square root of 522373 is about 722.7537616644. The cubic root of 522373 is about 80.5366524193.

Adding to 522373 its reverse (373225), we get a palindrome (895598).

The spelling of 522373 in words is "five hundred twenty-two thousand, three hundred seventy-three".