319589 has 2 divisors, whose sum is σ = 319590. Its totient is φ = 319588.

The previous prime is 319577. The next prime is 319591. The reversal of 319589 is 985913.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184900 + 134689 = 430^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 319589 - 2¹² = 315493 is a prime.

Together with 319591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 319589.

It is not a weakly prime, because it can be changed into another prime (319519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159794 + 159795.

It is an arithmetic number, because the mean of its divisors is an integer number (159795).

2³¹⁹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

319589 is a deficient number, since it is larger than the sum of its proper divisors (1).

319589 is an equidigital number, since it uses as much as digits as its factorization.

319589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 35.

The square root of 319589 is about 565.3220321197. The cubic root of 319589 is about 68.3697419831.

The spelling of 319589 in words is "three hundred nineteen thousand, five hundred eighty-nine".