591289 has 2 divisors, whose sum is σ = 591290. Its totient is φ = 591288.

The previous prime is 591287. The next prime is 591301. The reversal of 591289 is 982195.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 13689 = 760^2 + 117^2 .

It is a cyclic number.

It is not a de Polignac number, because 591289 - 2¹ = 591287 is a prime.

Together with 591287, it forms a pair of twin primes.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (591287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 295644 + 295645.

It is an arithmetic number, because the mean of its divisors is an integer number (295645).

2⁵⁹¹²⁸⁹ is an apocalyptic number.

It is an amenable number.

591289 is a deficient number, since it is larger than the sum of its proper divisors (1).

591289 is an equidigital number, since it uses as much as digits as its factorization.

591289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 34.

The square root of 591289 is about 768.9531845308. The cubic root of 591289 is about 83.9331005510.

The spelling of 591289 in words is "five hundred ninety-one thousand, two hundred eighty-nine".