271091 has 4 divisors (see below), whose sum is σ = 272832. Its totient is φ = 269352.

The previous prime is 271079. The next prime is 271097. The reversal of 271091 is 190172.

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 271091 - 2⁶ = 271027 is a prime.

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 271091.

It is not an unprimeable number, because it can be changed into a prime (271097) 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, 611 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (68208).

2²⁷¹⁰⁹¹ is an apocalyptic number.

271091 is a deficient number, since it is larger than the sum of its proper divisors (1741).

271091 is a wasteful number, since it uses less digits than its factorization.

271091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 271091 is about 520.6639991396. The cubic root of 271091 is about 64.7199788280.

The spelling of 271091 in words is "two hundred seventy-one thousand, ninety-one".