606916309 has 2 divisors, whose sum is σ = 606916310. Its totient is φ = 606916308.

The previous prime is 606916231. The next prime is 606916339. The reversal of 606916309 is 903619606.

It is a happy number.

606916309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533471409 + 73444900 = 23097^2 + 8570^2 .

It is a cyclic number.

It is not a de Polignac number, because 606916309 - 2⁹ = 606915797 is a prime.

It is a super-2 number, since 2×606916309² = 736694812260366962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606916339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303458154 + 303458155.

It is an arithmetic number, because the mean of its divisors is an integer number (303458155).

Almost surely, 2^606916309 is an apocalyptic number.

It is an amenable number.

606916309 is a deficient number, since it is larger than the sum of its proper divisors (1).

606916309 is an equidigital number, since it uses as much as digits as its factorization.

606916309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 606916309 is about 24635.6714745103. The cubic root of 606916309 is about 846.6610925260.

The spelling of 606916309 in words is "six hundred six million, nine hundred sixteen thousand, three hundred nine".