159597 has 16 divisors (see below), whose sum is σ = 247680. Its totient is φ = 101376.

The previous prime is 159589. The next prime is 159617. The reversal of 159597 is 795951.

It is a happy number.

It is not a de Polignac number, because 159597 - 2³ = 159589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 493 + ... + 749.

It is an arithmetic number, because the mean of its divisors is an integer number (15480).

2¹⁵⁹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

159597 is a deficient number, since it is larger than the sum of its proper divisors (88083).

159597 is a wasteful number, since it uses less digits than its factorization.

159597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 283 counting only the distinct ones).

The product of its digits is 14175, while the sum is 36.

The square root of 159597 is about 399.4959323948. The cubic root of 159597 is about 54.2427344146.

The spelling of 159597 in words is "one hundred fifty-nine thousand, five hundred ninety-seven".