522173 has 4 divisors (see below), whose sum is σ = 526908. Its totient is φ = 517440.

The previous prime is 522167. The next prime is 522191. The reversal of 522173 is 371225.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77284 + 444889 = 278^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 522173 - 2⁴ = 522157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

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, 2198 + ... + 2423.

It is an arithmetic number, because the mean of its divisors is an integer number (131727).

2⁵²²¹⁷³ is an apocalyptic number.

It is an amenable number.

522173 is a deficient number, since it is larger than the sum of its proper divisors (4735).

522173 is a wasteful number, since it uses less digits than its factorization.

522173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734.

The product of its digits is 420, while the sum is 20.

The square root of 522173 is about 722.6153887097. The cubic root of 522173 is about 80.5263728000.

Adding to 522173 its reverse (371225), we get a palindrome (893398).

It can be divided in two parts, 52217 and 3, that multiplied together give a palindrome (156651).

The spelling of 522173 in words is "five hundred twenty-two thousand, one hundred seventy-three".