271489 has 2 divisors, whose sum is σ = 271490. Its totient is φ = 271488.

The previous prime is 271483. The next prime is 271499. The reversal of 271489 is 984172.

271489 is nontrivially palindromic in base 8.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270400 + 1089 = 520^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 271489 - 2¹¹ = 269441 is a prime.

271489 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 271489.

It is not a weakly prime, because it can be changed into another prime (271483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135744 + 135745.

It is an arithmetic number, because the mean of its divisors is an integer number (135745).

2²⁷¹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

271489 is a deficient number, since it is larger than the sum of its proper divisors (1).

271489 is an equidigital number, since it uses as much as digits as its factorization.

271489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 31.

The square root of 271489 is about 521.0460632228. The cubic root of 271489 is about 64.7516360404.

The spelling of 271489 in words is "two hundred seventy-one thousand, four hundred eighty-nine".