605305117 has 2 divisors, whose sum is σ = 605305118. Its totient is φ = 605305116.

The previous prime is 605305079. The next prime is 605305121. The reversal of 605305117 is 711503506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331931961 + 273373156 = 18219^2 + 16534^2 .

It is a cyclic number.

It is not a de Polignac number, because 605305117 - 2²⁷ = 471087389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605305177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302652558 + 302652559.

It is an arithmetic number, because the mean of its divisors is an integer number (302652559).

Almost surely, 2^605305117 is an apocalyptic number.

It is an amenable number.

605305117 is a deficient number, since it is larger than the sum of its proper divisors (1).

605305117 is an equidigital number, since it uses as much as digits as its factorization.

605305117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 605305117 is about 24602.9493557175. The cubic root of 605305117 is about 845.9112129174.

The spelling of 605305117 in words is "six hundred five million, three hundred five thousand, one hundred seventeen".