271291 has 4 divisors (see below), whose sum is σ = 275184. Its totient is φ = 267400.

The previous prime is 271289. The next prime is 271333. The reversal of 271291 is 192172.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 271291 - 2¹ = 271289 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (271211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2²⁷¹²⁹¹ is an apocalyptic number.

271291 is a deficient number, since it is larger than the sum of its proper divisors (3893).

271291 is an equidigital number, since it uses as much as digits as its factorization.

271291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892.

The product of its digits is 252, while the sum is 22.

The square root of 271291 is about 520.8560261723. The cubic root of 271291 is about 64.7358908451.

The spelling of 271291 in words is "two hundred seventy-one thousand, two hundred ninety-one".