606423161 has 2 divisors, whose sum is σ = 606423162. Its totient is φ = 606423160.

The previous prime is 606423151. The next prime is 606423163. The reversal of 606423161 is 161324606.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475458025 + 130965136 = 21805^2 + 11444^2 .

It is a cyclic number.

It is not a de Polignac number, because 606423161 - 2²² = 602228857 is a prime.

Together with 606423163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (606423163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303211580 + 303211581.

It is an arithmetic number, because the mean of its divisors is an integer number (303211581).

Almost surely, 2^606423161 is an apocalyptic number.

It is an amenable number.

606423161 is a deficient number, since it is larger than the sum of its proper divisors (1).

606423161 is an equidigital number, since it uses as much as digits as its factorization.

606423161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 606423161 is about 24625.6606205803. The cubic root of 606423161 is about 846.4317130895.

Adding to 606423161 its reverse (161324606), we get a palindrome (767747767).

The spelling of 606423161 in words is "six hundred six million, four hundred twenty-three thousand, one hundred sixty-one".