605234689 has 2 divisors, whose sum is σ = 605234690. Its totient is φ = 605234688.

The previous prime is 605234671. The next prime is 605234717. The reversal of 605234689 is 986432506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 596336400 + 8898289 = 24420^2 + 2983^2 .

It is a cyclic number.

It is not a de Polignac number, because 605234689 - 2²⁷ = 471016961 is a prime.

It is not a weakly prime, because it can be changed into another prime (605214689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302617344 + 302617345.

It is an arithmetic number, because the mean of its divisors is an integer number (302617345).

Almost surely, 2^605234689 is an apocalyptic number.

It is an amenable number.

605234689 is a deficient number, since it is larger than the sum of its proper divisors (1).

605234689 is an equidigital number, since it uses as much as digits as its factorization.

605234689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 605234689 is about 24601.5180222685. The cubic root of 605234689 is about 845.8784040392.

The spelling of 605234689 in words is "six hundred five million, two hundred thirty-four thousand, six hundred eighty-nine".