522263 has 4 divisors (see below), whose sum is σ = 596880. Its totient is φ = 447648.

The previous prime is 522259. The next prime is 522281. The reversal of 522263 is 362225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522263 - 2² = 522259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37298 + ... + 37311.

It is an arithmetic number, because the mean of its divisors is an integer number (149220).

2⁵²²²⁶³ is an apocalyptic number.

522263 is a deficient number, since it is larger than the sum of its proper divisors (74617).

522263 is an equidigital number, since it uses as much as digits as its factorization.

522263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74616.

The product of its digits is 720, while the sum is 20.

The square root of 522263 is about 722.6776598180. The cubic root of 522263 is about 80.5309989535.

Adding to 522263 its reverse (362225), we get a palindrome (884488).

The spelling of 522263 in words is "five hundred twenty-two thousand, two hundred sixty-three".