605145227 has 2 divisors, whose sum is σ = 605145228. Its totient is φ = 605145226.

The previous prime is 605145223. The next prime is 605145287. The reversal of 605145227 is 722541506.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605145227 - 2² = 605145223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 605145193 and 605145202.

It is not a weakly prime, because it can be changed into another prime (605145223) 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, 302572613 + 302572614.

It is an arithmetic number, because the mean of its divisors is an integer number (302572614).

Almost surely, 2^605145227 is an apocalyptic number.

605145227 is a deficient number, since it is larger than the sum of its proper divisors (1).

605145227 is an equidigital number, since it uses as much as digits as its factorization.

605145227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 605145227 is about 24599.6997339398. The cubic root of 605145227 is about 845.8367245034.

The spelling of 605145227 in words is "six hundred five million, one hundred forty-five thousand, two hundred twenty-seven".