8513054617 has 2 divisors, whose sum is σ = 8513054618. Its totient is φ = 8513054616.

The previous prime is 8513054597. The next prime is 8513054621. The reversal of 8513054617 is 7164503158.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4533463561 + 3979591056 = 67331^2 + 63084^2 .

It is a cyclic number.

It is not a de Polignac number, because 8513054617 - 2¹⁵ = 8513021849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8513054617.

It is not a weakly prime, because it can be changed into another prime (8513054917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4256527308 + 4256527309.

It is an arithmetic number, because the mean of its divisors is an integer number (4256527309).

Almost surely, 2^8513054617 is an apocalyptic number.

It is an amenable number.

8513054617 is a deficient number, since it is larger than the sum of its proper divisors (1).

8513054617 is an equidigital number, since it uses as much as digits as its factorization.

8513054617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 8513054617 is about 92266.2160110623. The cubic root of 8513054617 is about 2041.8718095584.

The spelling of 8513054617 in words is "eight billion, five hundred thirteen million, fifty-four thousand, six hundred seventeen".