159193 has 2 divisors, whose sum is σ = 159194.
Its totient is φ = 159192.
The previous prime is 159191. The next prime is 159199. The reversal of 159193 is 391951.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 150544 + 8649 = 388^2 + 93^2
It is a cyclic number.
It is not a de Polignac number, because 159193 - 21 = 159191 is a prime.
It is a super-2 number, since 2×1591932 = 50684822498, which contains 22 as substring.
Together with 159191, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (159191) 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, 79596 + 79597.
It is an arithmetic number, because the mean of its divisors is an integer number (79597).
2159193 is an apocalyptic number.
It is an amenable number.
159193 is a deficient number, since it is larger than the sum of its proper divisors (1).
159193 is an equidigital number, since it uses as much as digits as its factorization.
159193 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1215, while the sum is 28.
The square root of 159193 is about 398.9899748114.
The cubic root of 159193 is about 54.1969261566.
The spelling of 159193 in words is "one hundred fifty-nine thousand, one hundred ninety-three".