159320417 has 2 divisors, whose sum is σ = 159320418. Its totient is φ = 159320416.

The previous prime is 159320393. The next prime is 159320419. The reversal of 159320417 is 714023951.

159320417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115971361 + 43349056 = 10769^2 + 6584^2 .

It is a cyclic number.

It is not a de Polignac number, because 159320417 - 2⁶ = 159320353 is a prime.

Together with 159320419, 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 (159320419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79660208 + 79660209.

It is an arithmetic number, because the mean of its divisors is an integer number (79660209).

Almost surely, 2^159320417 is an apocalyptic number.

It is an amenable number.

159320417 is a deficient number, since it is larger than the sum of its proper divisors (1).

159320417 is an equidigital number, since it uses as much as digits as its factorization.

159320417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 159320417 is about 12622.2191788924. The cubic root of 159320417 is about 542.1138191814.

The spelling of 159320417 in words is "one hundred fifty-nine million, three hundred twenty thousand, four hundred seventeen".