8253211717 has 2 divisors, whose sum is σ = 8253211718. Its totient is φ = 8253211716.

The previous prime is 8253211709. The next prime is 8253211721. The reversal of 8253211717 is 7171123528.

8253211717 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4700336481 + 3552875236 = 68559^2 + 59606^2 .

It is a cyclic number.

It is not a de Polignac number, because 8253211717 - 2³ = 8253211709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8253211787) 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, 4126605858 + 4126605859.

It is an arithmetic number, because the mean of its divisors is an integer number (4126605859).

Almost surely, 2^8253211717 is an apocalyptic number.

It is an amenable number.

8253211717 is a deficient number, since it is larger than the sum of its proper divisors (1).

8253211717 is an equidigital number, since it uses as much as digits as its factorization.

8253211717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 37.

The square root of 8253211717 is about 90847.1888227699. The cubic root of 8253211717 is about 2020.8821847628.

It can be divided in two parts, 82532 and 11717, that added together give a palindrome (94249).

The spelling of 8253211717 in words is "eight billion, two hundred fifty-three million, two hundred eleven thousand, seven hundred seventeen".