540271 has 2 divisors, whose sum is σ = 540272. Its totient is φ = 540270.

The previous prime is 540269. The next prime is 540283. The reversal of 540271 is 172045.

540271 is nontrivially palindromic in base 9.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540271 - 2¹ = 540269 is a prime.

Together with 540269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270135 + 270136.

It is an arithmetic number, because the mean of its divisors is an integer number (270136).

2⁵⁴⁰²⁷¹ is an apocalyptic number.

540271 is a deficient number, since it is larger than the sum of its proper divisors (1).

540271 is an equidigital number, since it uses as much as digits as its factorization.

540271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 540271 is about 735.0312918509. The cubic root of 540271 is about 81.4461485748.

The spelling of 540271 in words is "five hundred forty thousand, two hundred seventy-one".