605106589 has 2 divisors, whose sum is σ = 605106590. Its totient is φ = 605106588.

The previous prime is 605106587. The next prime is 605106611. The reversal of 605106589 is 985601506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451222564 + 153884025 = 21242^2 + 12405^2 .

It is a cyclic number.

It is not a de Polignac number, because 605106589 - 2¹ = 605106587 is a prime.

Together with 605106587, 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 (605106587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302553294 + 302553295.

It is an arithmetic number, because the mean of its divisors is an integer number (302553295).

Almost surely, 2^605106589 is an apocalyptic number.

It is an amenable number.

605106589 is a deficient number, since it is larger than the sum of its proper divisors (1).

605106589 is an equidigital number, since it uses as much as digits as its factorization.

605106589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 605106589 is about 24598.9143866147. The cubic root of 605106589 is about 845.8187221389.

The spelling of 605106589 in words is "six hundred five million, one hundred six thousand, five hundred eighty-nine".