606646147 has 2 divisors, whose sum is σ = 606646148. Its totient is φ = 606646146.

The previous prime is 606646129. The next prime is 606646153. The reversal of 606646147 is 741646606.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606646147 is a prime.

It is not a weakly prime, because it can be changed into another prime (606646247) 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, 303323073 + 303323074.

It is an arithmetic number, because the mean of its divisors is an integer number (303323074).

Almost surely, 2^606646147 is an apocalyptic number.

606646147 is a deficient number, since it is larger than the sum of its proper divisors (1).

606646147 is an equidigital number, since it uses as much as digits as its factorization.

606646147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 606646147 is about 24630.1877175145. The cubic root of 606646147 is about 846.5354466455.

The spelling of 606646147 in words is "six hundred six million, six hundred forty-six thousand, one hundred forty-seven".