717131141 has 2 divisors, whose sum is σ = 717131142. Its totient is φ = 717131140.

The previous prime is 717131137. The next prime is 717131143. The reversal of 717131141 is 141131717.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627753025 + 89378116 = 25055^2 + 9454^2 .

It is a cyclic number.

It is not a de Polignac number, because 717131141 - 2² = 717131137 is a prime.

Together with 717131143, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 717131141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (717131143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358565570 + 358565571.

It is an arithmetic number, because the mean of its divisors is an integer number (358565571).

Almost surely, 2^717131141 is an apocalyptic number.

It is an amenable number.

717131141 is a deficient number, since it is larger than the sum of its proper divisors (1).

717131141 is an equidigital number, since it uses as much as digits as its factorization.

717131141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 26.

The square root of 717131141 is about 26779.3043412259. The cubic root of 717131141 is about 895.0889463529.

Adding to 717131141 its reverse (141131717), we get a palindrome (858262858).

The spelling of 717131141 in words is "seven hundred seventeen million, one hundred thirty-one thousand, one hundred forty-one".