71039159 has 2 divisors, whose sum is σ = 71039160. Its totient is φ = 71039158.

The previous prime is 71039153. The next prime is 71039161. The reversal of 71039159 is 95193017.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71039159 is a prime.

It is a super-2 number, since 2×71039159² = 10093124222854562, which contains 22 as substring.

Together with 71039161, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71039153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35519579 + 35519580.

It is an arithmetic number, because the mean of its divisors is an integer number (35519580).

Almost surely, 2^71039159 is an apocalyptic number.

71039159 is a deficient number, since it is larger than the sum of its proper divisors (1).

71039159 is an equidigital number, since it uses as much as digits as its factorization.

71039159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 71039159 is about 8428.4731120174. The cubic root of 71039159 is about 414.1578878441.

The spelling of 71039159 in words is "seventy-one million, thirty-nine thousand, one hundred fifty-nine".