605412839 has 2 divisors, whose sum is σ = 605412840. Its totient is φ = 605412838.

The previous prime is 605412817. The next prime is 605412851. The reversal of 605412839 is 938214506.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 605412839 - 2⁸ = 605412583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605412809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302706419 + 302706420.

It is an arithmetic number, because the mean of its divisors is an integer number (302706420).

Almost surely, 2^605412839 is an apocalyptic number.

605412839 is a deficient number, since it is larger than the sum of its proper divisors (1).

605412839 is an equidigital number, since it uses as much as digits as its factorization.

605412839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 605412839 is about 24605.1384674015. The cubic root of 605412839 is about 845.9613902799.

The spelling of 605412839 in words is "six hundred five million, four hundred twelve thousand, eight hundred thirty-nine".