159324881 has 2 divisors, whose sum is σ = 159324882. Its totient is φ = 159324880.

The previous prime is 159324853. The next prime is 159324883. The reversal of 159324881 is 188423951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153760000 + 5564881 = 12400^2 + 2359^2 .

It is an emirp because it is prime and its reverse (188423951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159324881 - 2¹⁴ = 159308497 is a prime.

It is a super-2 number, since 2×159324881² = 50768835411328322, which contains 22 as substring.

Together with 159324883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (159324883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79662440 + 79662441.

It is an arithmetic number, because the mean of its divisors is an integer number (79662441).

Almost surely, 2^159324881 is an apocalyptic number.

It is an amenable number.

159324881 is a deficient number, since it is larger than the sum of its proper divisors (1).

159324881 is an equidigital number, since it uses as much as digits as its factorization.

159324881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 159324881 is about 12622.3960086823. The cubic root of 159324881 is about 542.1188822979.

The spelling of 159324881 in words is "one hundred fifty-nine million, three hundred twenty-four thousand, eight hundred eighty-one".