71063117 has 2 divisors, whose sum is σ = 71063118. Its totient is φ = 71063116.

The previous prime is 71063063. The next prime is 71063141. The reversal of 71063117 is 71136017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40271716 + 30791401 = 6346^2 + 5549^2 .

It is a cyclic number.

It is not a de Polignac number, because 71063117 - 2⁶ = 71063053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71063917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35531558 + 35531559.

It is an arithmetic number, because the mean of its divisors is an integer number (35531559).

Almost surely, 2^71063117 is an apocalyptic number.

It is an amenable number.

71063117 is a deficient number, since it is larger than the sum of its proper divisors (1).

71063117 is an equidigital number, since it uses as much as digits as its factorization.

71063117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 71063117 is about 8429.8942460745. The cubic root of 71063117 is about 414.2044409451.

Subtracting 71063117 from its reverse (71136017), we obtain a square (72900 = 270²).

The spelling of 71063117 in words is "seventy-one million, sixty-three thousand, one hundred seventeen".