173125 has 10 divisors (see below), whose sum is σ = 217118. Its totient is φ = 138000.

The previous prime is 173099. The next prime is 173137. The reversal of 173125 is 521371.

It can be written as a sum of positive squares in 5 ways, for example, as 98596 + 74529 = 314^2 + 273^2 .

It is not a de Polignac number, because 173125 - 2¹¹ = 171077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 487 + ... + 763.

2¹⁷³¹²⁵ is an apocalyptic number.

It is an amenable number.

173125 is a deficient number, since it is larger than the sum of its proper divisors (43993).

173125 is an frugal number, since it uses more digits than its factorization.

173125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 282 counting only the distinct ones).

The product of its digits is 210, while the sum is 19.

The square root of 173125 is about 416.0829244273. The cubic root of 173125 is about 55.7339634947.

Adding to 173125 its reverse (521371), we get a palindrome (694496).

The spelling of 173125 in words is "one hundred seventy-three thousand, one hundred twenty-five".