522433 has 4 divisors (see below), whose sum is σ = 523908. Its totient is φ = 520960.

The previous prime is 522413. The next prime is 522439. The reversal of 522433 is 334225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 199809 + 322624 = 447^2 + 568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522433 is a prime.

It is a d-powerful number, because it can be written as 5⁸ + 2¹⁶ + 4 + 2¹⁶ + 3 + 3⁶ .

It is a Duffinian number.

522433 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 522433.

It is not an unprimeable number, because it can be changed into a prime (522439) 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 in 3 ways as a sum of consecutive naturals, for example, 153 + ... + 1033.

It is an arithmetic number, because the mean of its divisors is an integer number (130977).

2⁵²²⁴³³ is an apocalyptic number.

It is an amenable number.

522433 is a deficient number, since it is larger than the sum of its proper divisors (1475).

522433 is an equidigital number, since it uses as much as digits as its factorization.

522433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474.

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

The square root of 522433 is about 722.7952683852. The cubic root of 522433 is about 80.5397357934.

Adding to 522433 its reverse (334225), we get a palindrome (856658).

It can be divided in two parts, 52 and 2433, that added together give a triangular number (2485 = T₇₀).

The spelling of 522433 in words is "five hundred twenty-two thousand, four hundred thirty-three".