605966917 has 2 divisors, whose sum is σ = 605966918. Its totient is φ = 605966916.

The previous prime is 605966909. The next prime is 605966923. The reversal of 605966917 is 719669506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515925796 + 90041121 = 22714^2 + 9489^2 .

It is a cyclic number.

It is not a de Polignac number, because 605966917 - 2³ = 605966909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605966957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302983458 + 302983459.

It is an arithmetic number, because the mean of its divisors is an integer number (302983459).

Almost surely, 2^605966917 is an apocalyptic number.

It is an amenable number.

605966917 is a deficient number, since it is larger than the sum of its proper divisors (1).

605966917 is an equidigital number, since it uses as much as digits as its factorization.

605966917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 605966917 is about 24616.3952885064. The cubic root of 605966917 is about 846.2193881524.

The spelling of 605966917 in words is "six hundred five million, nine hundred sixty-six thousand, nine hundred seventeen".