159247219 has 2 divisors, whose sum is σ = 159247220. Its totient is φ = 159247218.

The previous prime is 159247183. The next prime is 159247247. The reversal of 159247219 is 912742951.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159247219 - 2⁹ = 159246707 is a prime.

It is a super-2 number, since 2×159247219² = 50719353518467922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (159247259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79623609 + 79623610.

It is an arithmetic number, because the mean of its divisors is an integer number (79623610).

Almost surely, 2^159247219 is an apocalyptic number.

159247219 is a deficient number, since it is larger than the sum of its proper divisors (1).

159247219 is an equidigital number, since it uses as much as digits as its factorization.

159247219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 40.

The square root of 159247219 is about 12619.3192764111. The cubic root of 159247219 is about 542.0307837347.

The spelling of 159247219 in words is "one hundred fifty-nine million, two hundred forty-seven thousand, two hundred nineteen".