522143 has 4 divisors (see below), whose sum is σ = 525240. Its totient is φ = 519048.

The previous prime is 522127. The next prime is 522157. The reversal of 522143 is 341225.

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 522143 - 2⁴ = 522127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 522143.

It is not an unprimeable number, because it can be changed into a prime (522113) 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, 1280 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (131310).

2⁵²²¹⁴³ is an apocalyptic number.

522143 is a deficient number, since it is larger than the sum of its proper divisors (3097).

522143 is a wasteful number, since it uses less digits than its factorization.

522143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096.

The product of its digits is 240, while the sum is 17.

The square root of 522143 is about 722.5946304810. The cubic root of 522143 is about 80.5248306308.

Adding to 522143 its reverse (341225), we get a palindrome (863368).

The spelling of 522143 in words is "five hundred twenty-two thousand, one hundred forty-three".