606000643 has 2 divisors, whose sum is σ = 606000644. Its totient is φ = 606000642.

The previous prime is 606000607. The next prime is 606000701. The reversal of 606000643 is 346000606.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606000643 - 2¹⁷ = 605869571 is a prime.

It is not a weakly prime, because it can be changed into another prime (606000743) 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, 303000321 + 303000322.

It is an arithmetic number, because the mean of its divisors is an integer number (303000322).

Almost surely, 2^606000643 is an apocalyptic number.

606000643 is a deficient number, since it is larger than the sum of its proper divisors (1).

606000643 is an equidigital number, since it uses as much as digits as its factorization.

606000643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 606000643 is about 24617.0803102236. The cubic root of 606000643 is about 846.2350870653.

The spelling of 606000643 in words is "six hundred six million, six hundred forty-three", and thus it is an aban number.