27271 has 2 divisors, whose sum is σ = 27272. Its totient is φ = 27270.

The previous prime is 27259. The next prime is 27277. The reversal of 27271 is 17272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27271 - 2⁵ = 27239 is a prime.

It is a Chen prime.

27271 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13635 + 13636.

It is an arithmetic number, because the mean of its divisors is an integer number (13636).

2²⁷²⁷¹ is an apocalyptic number.

27271 is a deficient number, since it is larger than the sum of its proper divisors (1).

27271 is an equidigital number, since it uses as much as digits as its factorization.

27271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 196, while the sum is 19.

The square root of 27271 is about 165.1393351083. The cubic root of 27271 is about 30.1000364234.

Subtracting from 27271 its reverse (17272), we obtain a palindrome (9999).

It can be divided in two parts, 272 and 71, that added together give a palindrome (343).

The spelling of 27271 in words is "twenty-seven thousand, two hundred seventy-one", and thus it is an iban number.