605145313 has 2 divisors, whose sum is σ = 605145314. Its totient is φ = 605145312.

The previous prime is 605145301. The next prime is 605145319. The reversal of 605145313 is 313541506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 603537489 + 1607824 = 24567^2 + 1268^2 .

It is a cyclic number.

It is not a de Polignac number, because 605145313 - 2¹³ = 605137121 is a prime.

It is not a weakly prime, because it can be changed into another prime (605145319) 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, 302572656 + 302572657.

It is an arithmetic number, because the mean of its divisors is an integer number (302572657).

Almost surely, 2^605145313 is an apocalyptic number.

It is an amenable number.

605145313 is a deficient number, since it is larger than the sum of its proper divisors (1).

605145313 is an equidigital number, since it uses as much as digits as its factorization.

605145313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 605145313 is about 24599.7014819286. The cubic root of 605145313 is about 845.8367645720.

Adding to 605145313 its reverse (313541506), we get a palindrome (918686819).

The spelling of 605145313 in words is "six hundred five million, one hundred forty-five thousand, three hundred thirteen".