5172038717 has 2 divisors, whose sum is σ = 5172038718. Its totient is φ = 5172038716.

The previous prime is 5172038671. The next prime is 5172038723. The reversal of 5172038717 is 7178302715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5136445561 + 35593156 = 71669^2 + 5966^2 .

It is a cyclic number.

It is not a de Polignac number, because 5172038717 - 2⁸ = 5172038461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5172038017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2586019358 + 2586019359.

It is an arithmetic number, because the mean of its divisors is an integer number (2586019359).

Almost surely, 2^5172038717 is an apocalyptic number.

It is an amenable number.

5172038717 is a deficient number, since it is larger than the sum of its proper divisors (1).

5172038717 is an equidigital number, since it uses as much as digits as its factorization.

5172038717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 5172038717 is about 71916.8875647438. The cubic root of 5172038717 is about 1729.3673516196.

The spelling of 5172038717 in words is "five billion, one hundred seventy-two million, thirty-eight thousand, seven hundred seventeen".