522303 has 4 divisors (see below), whose sum is σ = 696408. Its totient is φ = 348200.

The previous prime is 522289. The next prime is 522317. The reversal of 522303 is 303225.

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

It is an interprime number because it is at equal distance from previous prime (522289) and next prime (522317).

It is a cyclic number.

It is not a de Polignac number, because 522303 - 2⁶ = 522239 is a prime.

It is a D-number.

522303 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522323) 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, 87048 + ... + 87053.

It is an arithmetic number, because the mean of its divisors is an integer number (174102).

2⁵²²³⁰³ is an apocalyptic number.

522303 is a deficient number, since it is larger than the sum of its proper divisors (174105).

522303 is a wasteful number, since it uses less digits than its factorization.

522303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174104.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 522303 is about 722.7053341439. The cubic root of 522303 is about 80.5330548510.

Adding to 522303 its reverse (303225), we get a palindrome (825528).

The spelling of 522303 in words is "five hundred twenty-two thousand, three hundred three".