605205011 has 2 divisors, whose sum is σ = 605205012. Its totient is φ = 605205010.

The previous prime is 605204993. The next prime is 605205023. The reversal of 605205011 is 110502506.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605205011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (605205311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302602505 + 302602506.

It is an arithmetic number, because the mean of its divisors is an integer number (302602506).

Almost surely, 2^605205011 is an apocalyptic number.

605205011 is a deficient number, since it is larger than the sum of its proper divisors (1).

605205011 is an equidigital number, since it uses as much as digits as its factorization.

605205011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 605205011 is about 24600.9148407127. The cubic root of 605205011 is about 845.8645777830.

Adding to 605205011 its reverse (110502506), we get a palindrome (715707517).

The spelling of 605205011 in words is "six hundred five million, two hundred five thousand, eleven".