605135239 has 2 divisors, whose sum is σ = 605135240. Its totient is φ = 605135238.

The previous prime is 605135233. The next prime is 605135261. The reversal of 605135239 is 932531506.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 605135239 - 2³ = 605135231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (605135231) 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, 302567619 + 302567620.

It is an arithmetic number, because the mean of its divisors is an integer number (302567620).

Almost surely, 2^605135239 is an apocalyptic number.

605135239 is a deficient number, since it is larger than the sum of its proper divisors (1).

605135239 is an equidigital number, since it uses as much as digits as its factorization.

605135239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 605135239 is about 24599.4967224941. The cubic root of 605135239 is about 845.8320709298.

The spelling of 605135239 in words is "six hundred five million, one hundred thirty-five thousand, two hundred thirty-nine".