71701013 has 2 divisors, whose sum is σ = 71701014. Its totient is φ = 71701012.

The previous prime is 71701009. The next prime is 71701033. The reversal of 71701013 is 31010717.

It is an a-pointer prime, because the next prime (71701033) can be obtained adding 71701013 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64609444 + 7091569 = 8038^2 + 2663^2 .

It is a cyclic number.

It is not a de Polignac number, because 71701013 - 2² = 71701009 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 (71701033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35850506 + 35850507.

It is an arithmetic number, because the mean of its divisors is an integer number (35850507).

Almost surely, 2^71701013 is an apocalyptic number.

It is an amenable number.

71701013 is a deficient number, since it is larger than the sum of its proper divisors (1).

71701013 is an equidigital number, since it uses as much as digits as its factorization.

71701013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 71701013 is about 8467.6450681403. The cubic root of 71701013 is about 415.4401156549.

The spelling of 71701013 in words is "seventy-one million, seven hundred one thousand, thirteen".