173271 has 16 divisors (see below), whose sum is σ = 272384. Its totient is φ = 95904.

The previous prime is 173267. The next prime is 173273. The reversal of 173271 is 172371.

It is not a de Polignac number, because 173271 - 2² = 173267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

173271 is a lucky number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666 + ... + 888.

It is an arithmetic number, because the mean of its divisors is an integer number (17024).

2¹⁷³²⁷¹ is an apocalyptic number.

173271 is a deficient number, since it is larger than the sum of its proper divisors (99113).

173271 is a wasteful number, since it uses less digits than its factorization.

173271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270.

The product of its digits is 294, while the sum is 21.

The square root of 173271 is about 416.2583332499. The cubic root of 173271 is about 55.7496263054.

Subtracting from 173271 its reverse (172371), we obtain a square (900 = 30²).

It can be divided in two parts, 173 and 271, that added together give a palindrome (444).

The spelling of 173271 in words is "one hundred seventy-three thousand, two hundred seventy-one", and thus it is an iban number.