271161 has 24 divisors (see below), whose sum is σ = 446880. Its totient is φ = 162360.

The previous prime is 271129. The next prime is 271163. The reversal of 271161 is 161172.

It is not a de Polignac number, because 271161 - 2⁵ = 271129 is a prime.

It is a Curzon number.

271161 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (271163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3226 + ... + 3308.

It is an arithmetic number, because the mean of its divisors is an integer number (18620).

2²⁷¹¹⁶¹ is an apocalyptic number.

It is an amenable number.

271161 is a deficient number, since it is larger than the sum of its proper divisors (175719).

271161 is a wasteful number, since it uses less digits than its factorization.

271161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 97 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 271161 is about 520.7312166560. The cubic root of 271161 is about 64.7255489239.

It can be divided in two parts, 2711 and 61, that added together give a palindrome (2772).

The spelling of 271161 in words is "two hundred seventy-one thousand, one hundred sixty-one".