528173 has 4 divisors (see below), whose sum is σ = 559260. Its totient is φ = 497088.

The previous prime is 528167. The next prime is 528191. The reversal of 528173 is 371825.

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 357604 + 170569 = 598^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 528173 - 2¹⁸ = 266029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (528163) 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, 15518 + ... + 15551.

It is an arithmetic number, because the mean of its divisors is an integer number (139815).

2⁵²⁸¹⁷³ is an apocalyptic number.

It is an amenable number.

528173 is a deficient number, since it is larger than the sum of its proper divisors (31087).

528173 is a wasteful number, since it uses less digits than its factorization.

528173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31086.

The product of its digits is 1680, while the sum is 26.

The square root of 528173 is about 726.7551169411. The cubic root of 528173 is about 80.8336269046.

Adding to 528173 its reverse (371825), we get a palindrome (899998).

The spelling of 528173 in words is "five hundred twenty-eight thousand, one hundred seventy-three".