606642427 has 2 divisors, whose sum is σ = 606642428. Its totient is φ = 606642426.

The previous prime is 606642419. The next prime is 606642451. The reversal of 606642427 is 724246606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606642427 - 2³ = 606642419 is a prime.

It is not a weakly prime, because it can be changed into another prime (606642497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303321213 + 303321214.

It is an arithmetic number, because the mean of its divisors is an integer number (303321214).

Almost surely, 2^606642427 is an apocalyptic number.

606642427 is a deficient number, since it is larger than the sum of its proper divisors (1).

606642427 is an equidigital number, since it uses as much as digits as its factorization.

606642427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 606642427 is about 24630.1122003129. The cubic root of 606642427 is about 846.5337163022.

The spelling of 606642427 in words is "six hundred six million, six hundred forty-two thousand, four hundred twenty-seven".