522043 has 4 divisors (see below), whose sum is σ = 524608. Its totient is φ = 519480.

The previous prime is 522037. The next prime is 522047. The reversal of 522043 is 340225.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-522043 is a prime.

It is an Ulam number.

It is a Duffinian number.

522043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (522047) 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, 948 + ... + 1393.

It is an arithmetic number, because the mean of its divisors is an integer number (131152).

2⁵²²⁰⁴³ is an apocalyptic number.

522043 is a deficient number, since it is larger than the sum of its proper divisors (2565).

522043 is a wasteful number, since it uses less digits than its factorization.

522043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 522043 is about 722.5254320783. The cubic root of 522043 is about 80.5196896399.

Adding to 522043 its reverse (340225), we get a palindrome (862268).

It can be divided in two parts, 5 and 22043, that multiplied together give a triangular number (110215 = T₄₆₉).

The spelling of 522043 in words is "five hundred twenty-two thousand, forty-three".