605105117 has 2 divisors, whose sum is σ = 605105118. Its totient is φ = 605105116.

The previous prime is 605105099. The next prime is 605105131. The reversal of 605105117 is 711501506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462207001 + 142898116 = 21499^2 + 11954^2 .

It is a cyclic number.

It is not a de Polignac number, because 605105117 - 2¹⁶ = 605039581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605105317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302552558 + 302552559.

It is an arithmetic number, because the mean of its divisors is an integer number (302552559).

Almost surely, 2^605105117 is an apocalyptic number.

It is an amenable number.

605105117 is a deficient number, since it is larger than the sum of its proper divisors (1).

605105117 is an equidigital number, since it uses as much as digits as its factorization.

605105117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 605105117 is about 24598.8844665769. The cubic root of 605105117 is about 845.8180362839.

The spelling of 605105117 in words is "six hundred five million, one hundred five thousand, one hundred seventeen".