159589 has 2 divisors, whose sum is σ = 159590.
Its totient is φ = 159588.
The previous prime is 159571. The next prime is 159617. The reversal of 159589 is 985951.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 93025 + 66564 = 305^2 + 258^2
It is an emirp because it is prime and its reverse (985951) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 159589 - 213 = 151397 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (159539) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79794 + 79795.
It is an arithmetic number, because the mean of its divisors is an integer number (79795).
2159589 is an apocalyptic number.
It is an amenable number.
159589 is a deficient number, since it is larger than the sum of its proper divisors (1).
159589 is an equidigital number, since it uses as much as digits as its factorization.
159589 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 16200, while the sum is 37.
The square root of 159589 is about 399.4859196517.
The cubic root of 159589 is about 54.2418280710.
It can be divided in two parts, 15 and 9589, that added together give a square (9604 = 982).
The spelling of 159589 in words is "one hundred fifty-nine thousand, five hundred eighty-nine".