52805250517 has 2 divisors, whose sum is σ = 52805250518. Its totient is φ = 52805250516.

The previous prime is 52805250497. The next prime is 52805250541. The reversal of 52805250517 is 71505250825.

52805250517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49126949316 + 3678301201 = 221646^2 + 60649^2 .

It is a cyclic number.

It is not a de Polignac number, because 52805250517 - 2¹¹ = 52805248469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52805250517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52805250317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26402625258 + 26402625259.

It is an arithmetic number, because the mean of its divisors is an integer number (26402625259).

Almost surely, 2^52805250517 is an apocalyptic number.

It is an amenable number.

52805250517 is a deficient number, since it is larger than the sum of its proper divisors (1).

52805250517 is an equidigital number, since it uses as much as digits as its factorization.

52805250517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140000, while the sum is 40.

The spelling of 52805250517 in words is "fifty-two billion, eight hundred five million, two hundred fifty thousand, five hundred seventeen".