289041271 has 2 divisors, whose sum is σ = 289041272. Its totient is φ = 289041270.

The previous prime is 289041257. The next prime is 289041301. The reversal of 289041271 is 172140982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289041271 - 2¹⁹ = 288516983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289041371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144520635 + 144520636.

It is an arithmetic number, because the mean of its divisors is an integer number (144520636).

Almost surely, 2^289041271 is an apocalyptic number.

289041271 is a deficient number, since it is larger than the sum of its proper divisors (1).

289041271 is an equidigital number, since it uses as much as digits as its factorization.

289041271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 289041271 is about 17001.2138096078. The cubic root of 289041271 is about 661.1803724081.

The spelling of 289041271 in words is "two hundred eighty-nine million, forty-one thousand, two hundred seventy-one".