71060813 has 2 divisors, whose sum is σ = 71060814. Its totient is φ = 71060812.

The previous prime is 71060797. The next prime is 71060827. The reversal of 71060813 is 31806017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68194564 + 2866249 = 8258^2 + 1693^2 .

It is an emirp because it is prime and its reverse (31806017) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71060813 - 2⁴ = 71060797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71060413) 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, 35530406 + 35530407.

It is an arithmetic number, because the mean of its divisors is an integer number (35530407).

Almost surely, 2^71060813 is an apocalyptic number.

It is an amenable number.

71060813 is a deficient number, since it is larger than the sum of its proper divisors (1).

71060813 is an equidigital number, since it uses as much as digits as its factorization.

71060813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 71060813 is about 8429.7575884482. The cubic root of 71060813 is about 414.1999644676.

The spelling of 71060813 in words is "seventy-one million, sixty thousand, eight hundred thirteen".