605055601 has 2 divisors, whose sum is σ = 605055602. Its totient is φ = 605055600.

The previous prime is 605055599. The next prime is 605055611. The reversal of 605055601 is 106550506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601426576 + 3629025 = 24524^2 + 1905^2 .

It is a cyclic number.

It is not a de Polignac number, because 605055601 - 2¹ = 605055599 is a prime.

Together with 605055599, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 605055601.

It is not a weakly prime, because it can be changed into another prime (605055611) 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, 302527800 + 302527801.

It is an arithmetic number, because the mean of its divisors is an integer number (302527801).

Almost surely, 2^605055601 is an apocalyptic number.

It is an amenable number.

605055601 is a deficient number, since it is larger than the sum of its proper divisors (1).

605055601 is an equidigital number, since it uses as much as digits as its factorization.

605055601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 605055601 is about 24597.8779775817. The cubic root of 605055601 is about 845.7949644422.

The spelling of 605055601 in words is "six hundred five million, fifty-five thousand, six hundred one".