71346511 has 2 divisors, whose sum is σ = 71346512. Its totient is φ = 71346510.

The previous prime is 71346497. The next prime is 71346523. The reversal of 71346511 is 11564317.

It is a strong prime.

It is an emirp because it is prime and its reverse (11564317) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71346511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71346511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71346811) 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, 35673255 + 35673256.

It is an arithmetic number, because the mean of its divisors is an integer number (35673256).

Almost surely, 2^71346511 is an apocalyptic number.

71346511 is a deficient number, since it is larger than the sum of its proper divisors (1).

71346511 is an equidigital number, since it uses as much as digits as its factorization.

71346511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 71346511 is about 8446.6863917160. The cubic root of 71346511 is about 414.7543153151.

The spelling of 71346511 in words is "seventy-one million, three hundred forty-six thousand, five hundred eleven".