606205081 has 2 divisors, whose sum is σ = 606205082. Its totient is φ = 606205080.

The previous prime is 606205063. The next prime is 606205109. The reversal of 606205081 is 180502606.

It is an a-pointer prime, because the next prime (606205109) can be obtained adding 606205081 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426216025 + 179989056 = 20645^2 + 13416^2 .

It is a cyclic number.

It is not a de Polignac number, because 606205081 - 2¹⁹ = 605680793 is a prime.

It is a super-2 number, since 2×606205081² = 734969200460433122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (606209081) 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, 303102540 + 303102541.

It is an arithmetic number, because the mean of its divisors is an integer number (303102541).

Almost surely, 2^606205081 is an apocalyptic number.

It is an amenable number.

606205081 is a deficient number, since it is larger than the sum of its proper divisors (1).

606205081 is an equidigital number, since it uses as much as digits as its factorization.

606205081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 606205081 is about 24621.2323209055. The cubic root of 606205081 is about 846.3302372162.

Adding to 606205081 its reverse (180502606), we get a palindrome (786707687).

The spelling of 606205081 in words is "six hundred six million, two hundred five thousand, eighty-one".