522343 has 4 divisors (see below), whose sum is σ = 530968. Its totient is φ = 513720.

The previous prime is 522337. The next prime is 522371. The reversal of 522343 is 343225.

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 522343 - 2⁹ = 521831 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 522343.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4221 + ... + 4342.

It is an arithmetic number, because the mean of its divisors is an integer number (132742).

2⁵²²³⁴³ is an apocalyptic number.

522343 is a deficient number, since it is larger than the sum of its proper divisors (8625).

522343 is an equidigital number, since it uses as much as digits as its factorization.

522343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624.

The product of its digits is 720, while the sum is 19.

The square root of 522343 is about 722.7330074101. The cubic root of 522343 is about 80.5351106437.

Adding to 522343 its reverse (343225), we get a palindrome (865568).

The spelling of 522343 in words is "five hundred twenty-two thousand, three hundred forty-three".