71071159 has 2 divisors, whose sum is σ = 71071160. Its totient is φ = 71071158.

The previous prime is 71071129. The next prime is 71071171. The reversal of 71071159 is 95117017.

It is a strong prime.

It is an emirp because it is prime and its reverse (95117017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71071159 - 2⁷ = 71071031 is a prime.

It is a super-2 number, since 2×71071159² = 10102219283206562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71071159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71071109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35535579 + 35535580.

It is an arithmetic number, because the mean of its divisors is an integer number (35535580).

Almost surely, 2^71071159 is an apocalyptic number.

71071159 is a deficient number, since it is larger than the sum of its proper divisors (1).

71071159 is an equidigital number, since it uses as much as digits as its factorization.

71071159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 71071159 is about 8430.3712255155. The cubic root of 71071159 is about 414.2200651142.

The spelling of 71071159 in words is "seventy-one million, seventy-one thousand, one hundred fifty-nine".