606605999 has 2 divisors, whose sum is σ = 606606000. Its totient is φ = 606605998.

The previous prime is 606605953. The next prime is 606606059. The reversal of 606605999 is 999506606.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606605999 - 2⁸ = 606605743 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606605939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303302999 + 303303000.

It is an arithmetic number, because the mean of its divisors is an integer number (303303000).

Almost surely, 2^606605999 is an apocalyptic number.

606605999 is a deficient number, since it is larger than the sum of its proper divisors (1).

606605999 is an equidigital number, since it uses as much as digits as its factorization.

606605999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 787320, while the sum is 50.

The square root of 606605999 is about 24629.3726879107. The cubic root of 606605999 is about 846.5167715881.

The spelling of 606605999 in words is "six hundred six million, six hundred five thousand, nine hundred ninety-nine".