171875 has 14 divisors (see below), whose sum is σ = 234372. Its totient is φ = 125000.

The previous prime is 171869. The next prime is 171877. The reversal of 171875 is 578171.

It is not a de Polignac number, because 171875 - 2⁶ = 171811 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (171877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 15620 + ... + 15630.

171875 is a Friedman number, since it can be written as 11*5^(7-8+7), using all its digits and the basic arithmetic operations.

2¹⁷¹⁸⁷⁵ is an apocalyptic number.

171875 is a deficient number, since it is larger than the sum of its proper divisors (62497).

171875 is an frugal number, since it uses more digits than its factorization.

171875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41 (or 16 counting only the distinct ones).

The product of its digits is 1960, while the sum is 29.

The square root of 171875 is about 414.5780987944. The cubic root of 171875 is about 55.5995022642.

The spelling of 171875 in words is "one hundred seventy-one thousand, eight hundred seventy-five".