159587 has 4 divisors (see below), whose sum is σ = 165120. Its totient is φ = 154056.

The previous prime is 159571. The next prime is 159589. The reversal of 159587 is 785951.

159587 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159587 - 2⁴ = 159571 is a prime.

It is a Duffinian number.

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 159587.

It is not an unprimeable number, because it can be changed into a prime (159589) 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 in 3 ways as a sum of consecutive naturals, for example, 2723 + ... + 2780.

It is an arithmetic number, because the mean of its divisors is an integer number (41280).

2¹⁵⁹⁵⁸⁷ is an apocalyptic number.

159587 is a deficient number, since it is larger than the sum of its proper divisors (5533).

159587 is an equidigital number, since it uses as much as digits as its factorization.

159587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5532.

The product of its digits is 12600, while the sum is 35.

The square root of 159587 is about 399.4834164268. The cubic root of 159587 is about 54.2416014804.

The spelling of 159587 in words is "one hundred fifty-nine thousand, five hundred eighty-seven".