71061713 has 2 divisors, whose sum is σ = 71061714. Its totient is φ = 71061712.

The previous prime is 71061701. The next prime is 71061721. The reversal of 71061713 is 31716017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45589504 + 25472209 = 6752^2 + 5047^2 .

It is a cyclic number.

It is not a de Polignac number, because 71061713 - 2¹² = 71057617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (71061773) 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, 35530856 + 35530857.

It is an arithmetic number, because the mean of its divisors is an integer number (35530857).

Almost surely, 2^71061713 is an apocalyptic number.

It is an amenable number.

71061713 is a deficient number, since it is larger than the sum of its proper divisors (1).

71061713 is an equidigital number, since it uses as much as digits as its factorization.

71061713 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 71061713 is about 8429.8109705971. The cubic root of 71061713 is about 414.2017131031.

The spelling of 71061713 in words is "seventy-one million, sixty-one thousand, seven hundred thirteen".