171281 has 8 divisors (see below), whose sum is σ = 195264. Its totient is φ = 148720.

The previous prime is 171271. The next prime is 171293. The reversal of 171281 is 182171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 171281 - 2¹⁴ = 154897 is a prime.

It is a super-2 number, since 2×171281² = 58674361922, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 171281.

It is not an unprimeable number, because it can be changed into a prime (171251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 591.

It is an arithmetic number, because the mean of its divisors is an integer number (24408).

2¹⁷¹²⁸¹ is an apocalyptic number.

171281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

171281 is a deficient number, since it is larger than the sum of its proper divisors (23983).

171281 is a wasteful number, since it uses less digits than its factorization.

171281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711.

The product of its digits is 112, while the sum is 20.

The square root of 171281 is about 413.8610878060. The cubic root of 171281 is about 55.5353777093.

The spelling of 171281 in words is "one hundred seventy-one thousand, two hundred eighty-one".