617217010897 has 2 divisors, whose sum is σ = 617217010898. Its totient is φ = 617217010896.

The previous prime is 617217010831. The next prime is 617217010901. The reversal of 617217010897 is 798010712716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485517697681 + 131699313216 = 696791^2 + 362904^2 .

It is a cyclic number.

It is not a de Polignac number, because 617217010897 - 2⁷ = 617217010769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 617217010897.

It is not a weakly prime, because it can be changed into another prime (617217010297) 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, 308608505448 + 308608505449.

It is an arithmetic number, because the mean of its divisors is an integer number (308608505449).

Almost surely, 2^617217010897 is an apocalyptic number.

It is an amenable number.

617217010897 is a deficient number, since it is larger than the sum of its proper divisors (1).

617217010897 is an equidigital number, since it uses as much as digits as its factorization.

617217010897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 49.

The spelling of 617217010897 in words is "six hundred seventeen billion, two hundred seventeen million, ten thousand, eight hundred ninety-seven".