608861717 has 2 divisors, whose sum is σ = 608861718. Its totient is φ = 608861716.

The previous prime is 608861657. The next prime is 608861719. The reversal of 608861717 is 717168806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512841316 + 96020401 = 22646^2 + 9799^2 .

It is a cyclic number.

It is not a de Polignac number, because 608861717 - 2⁶ = 608861653 is a prime.

Together with 608861719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608861719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304430858 + 304430859.

It is an arithmetic number, because the mean of its divisors is an integer number (304430859).

Almost surely, 2^608861717 is an apocalyptic number.

It is an amenable number.

608861717 is a deficient number, since it is larger than the sum of its proper divisors (1).

608861717 is an equidigital number, since it uses as much as digits as its factorization.

608861717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 608861717 is about 24675.1234444734. The cubic root of 608861717 is about 847.5647561197.

The spelling of 608861717 in words is "six hundred eight million, eight hundred sixty-one thousand, seven hundred seventeen".