8254344517 has 2 divisors, whose sum is σ = 8254344518. Its totient is φ = 8254344516.

The previous prime is 8254344451. The next prime is 8254344523. The reversal of 8254344517 is 7154434528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4679380836 + 3574963681 = 68406^2 + 59791^2 .

It is a cyclic number.

It is not a de Polignac number, because 8254344517 - 2⁷ = 8254344389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8254344587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127172258 + 4127172259.

It is an arithmetic number, because the mean of its divisors is an integer number (4127172259).

Almost surely, 2^8254344517 is an apocalyptic number.

It is an amenable number.

8254344517 is a deficient number, since it is larger than the sum of its proper divisors (1).

8254344517 is an equidigital number, since it uses as much as digits as its factorization.

8254344517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 43.

The square root of 8254344517 is about 90853.4232541625. The cubic root of 8254344517 is about 2020.9746397039.

The spelling of 8254344517 in words is "eight billion, two hundred fifty-four million, three hundred forty-four thousand, five hundred seventeen".