5123851717 has 2 divisors, whose sum is σ = 5123851718. Its totient is φ = 5123851716.

The previous prime is 5123851673. The next prime is 5123851741. The reversal of 5123851717 is 7171583215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5073143076 + 50708641 = 71226^2 + 7121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5123851717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5123851717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5123854717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561925858 + 2561925859.

It is an arithmetic number, because the mean of its divisors is an integer number (2561925859).

Almost surely, 2^5123851717 is an apocalyptic number.

It is an amenable number.

5123851717 is a deficient number, since it is larger than the sum of its proper divisors (1).

5123851717 is an equidigital number, since it uses as much as digits as its factorization.

5123851717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58800, while the sum is 40.

The square root of 5123851717 is about 71581.0849107500. The cubic root of 5123851717 is about 1723.9798453949.

The spelling of 5123851717 in words is "five billion, one hundred twenty-three million, eight hundred fifty-one thousand, seven hundred seventeen".