605675557 has 2 divisors, whose sum is σ = 605675558. Its totient is φ = 605675556.

The previous prime is 605675519. The next prime is 605675561. The reversal of 605675557 is 755576506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505395361 + 100280196 = 22481^2 + 10014^2 .

It is a cyclic number.

It is not a de Polignac number, because 605675557 - 2¹⁹ = 605151269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605675957) 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, 302837778 + 302837779.

It is an arithmetic number, because the mean of its divisors is an integer number (302837779).

Almost surely, 2^605675557 is an apocalyptic number.

It is an amenable number.

605675557 is a deficient number, since it is larger than the sum of its proper divisors (1).

605675557 is an equidigital number, since it uses as much as digits as its factorization.

605675557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102500, while the sum is 46.

The square root of 605675557 is about 24610.4765699488. The cubic root of 605675557 is about 846.0837404789.

The spelling of 605675557 in words is "six hundred five million, six hundred seventy-five thousand, five hundred fifty-seven".