173133 has 6 divisors (see below), whose sum is σ = 250094. Its totient is φ = 115416.

The previous prime is 173099. The next prime is 173137. The reversal of 173133 is 331371.

It can be written as a sum of positive squares in only one way, i.e., 116964 + 56169 = 342^2 + 237^2 .

It is not a de Polignac number, because 173133 - 2⁸ = 172877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9610 + ... + 9627.

2¹⁷³¹³³ is an apocalyptic number.

It is an amenable number.

173133 is a deficient number, since it is larger than the sum of its proper divisors (76961).

173133 is a wasteful number, since it uses less digits than its factorization.

173133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19243 (or 19240 counting only the distinct ones).

The product of its digits is 189, while the sum is 18.

The square root of 173133 is about 416.0925377846. The cubic root of 173133 is about 55.7348219589.

It can be divided in two parts, 1731 and 33, that added together give a square (1764 = 42²).

The spelling of 173133 in words is "one hundred seventy-three thousand, one hundred thirty-three".