159263 has 4 divisors (see below), whose sum is σ = 171528. Its totient is φ = 147000.

The previous prime is 159233. The next prime is 159287. The reversal of 159263 is 362951.

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 159263 - 2⁶ = 159199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159223) 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, 6113 + ... + 6138.

It is an arithmetic number, because the mean of its divisors is an integer number (42882).

2¹⁵⁹²⁶³ is an apocalyptic number.

159263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

159263 is a deficient number, since it is larger than the sum of its proper divisors (12265).

159263 is a wasteful number, since it uses less digits than its factorization.

159263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12264.

The product of its digits is 1620, while the sum is 26.

The square root of 159263 is about 399.0776866727. The cubic root of 159263 is about 54.2048687774.

The spelling of 159263 in words is "one hundred fifty-nine thousand, two hundred sixty-three".