159563 has 2 divisors, whose sum is σ = 159564. Its totient is φ = 159562.

The previous prime is 159553. The next prime is 159569. The reversal of 159563 is 365951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159563 - 2⁶ = 159499 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (159569) 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, 79781 + 79782.

It is an arithmetic number, because the mean of its divisors is an integer number (79782).

2¹⁵⁹⁵⁶³ is an apocalyptic number.

159563 is a deficient number, since it is larger than the sum of its proper divisors (1).

159563 is an equidigital number, since it uses as much as digits as its factorization.

159563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 29.

The square root of 159563 is about 399.4533765034. The cubic root of 159563 is about 54.2388822454.

The spelling of 159563 in words is "one hundred fifty-nine thousand, five hundred sixty-three".