605342173 has 2 divisors, whose sum is σ = 605342174. Its totient is φ = 605342172.

The previous prime is 605342159. The next prime is 605342209. The reversal of 605342173 is 371243506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543216249 + 62125924 = 23307^2 + 7882^2 .

It is a cyclic number.

It is not a de Polignac number, because 605342173 - 2²¹ = 603245021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605342123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302671086 + 302671087.

It is an arithmetic number, because the mean of its divisors is an integer number (302671087).

Almost surely, 2^605342173 is an apocalyptic number.

It is an amenable number.

605342173 is a deficient number, since it is larger than the sum of its proper divisors (1).

605342173 is an equidigital number, since it uses as much as digits as its factorization.

605342173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 605342173 is about 24603.7024246352. The cubic root of 605342173 is about 845.9284744304.

Adding to 605342173 its reverse (371243506), we get a palindrome (976585679).

The spelling of 605342173 in words is "six hundred five million, three hundred forty-two thousand, one hundred seventy-three".