606055309 has 2 divisors, whose sum is σ = 606055310. Its totient is φ = 606055308.

The previous prime is 606055291. The next prime is 606055357. The reversal of 606055309 is 903550606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310112100 + 295943209 = 17610^2 + 17203^2 .

It is a cyclic number.

It is not a de Polignac number, because 606055309 - 2⁵ = 606055277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606055409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303027654 + 303027655.

It is an arithmetic number, because the mean of its divisors is an integer number (303027655).

Almost surely, 2^606055309 is an apocalyptic number.

It is an amenable number.

606055309 is a deficient number, since it is larger than the sum of its proper divisors (1).

606055309 is an equidigital number, since it uses as much as digits as its factorization.

606055309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 606055309 is about 24618.1906118220. The cubic root of 606055309 is about 846.2605319758.

The spelling of 606055309 in words is "six hundred six million, fifty-five thousand, three hundred nine".