71365163 has 2 divisors, whose sum is σ = 71365164. Its totient is φ = 71365162.

The previous prime is 71365127. The next prime is 71365171. The reversal of 71365163 is 36156317.

It is a strong prime.

It is an emirp because it is prime and its reverse (36156317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71365163 - 2¹² = 71361067 is a prime.

It is not a weakly prime, because it can be changed into another prime (71365103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35682581 + 35682582.

It is an arithmetic number, because the mean of its divisors is an integer number (35682582).

Almost surely, 2^71365163 is an apocalyptic number.

71365163 is a deficient number, since it is larger than the sum of its proper divisors (1).

71365163 is an equidigital number, since it uses as much as digits as its factorization.

71365163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 32.

The square root of 71365163 is about 8447.7904211693. The cubic root of 71365163 is about 414.7904550101.

The spelling of 71365163 in words is "seventy-one million, three hundred sixty-five thousand, one hundred sixty-three".