605135513 has 2 divisors, whose sum is σ = 605135514. Its totient is φ = 605135512.

The previous prime is 605135507. The next prime is 605135521. The reversal of 605135513 is 315531506.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582401689 + 22733824 = 24133^2 + 4768^2 .

It is a cyclic number.

It is not a de Polignac number, because 605135513 - 2⁶ = 605135449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (605135533) 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, 302567756 + 302567757.

It is an arithmetic number, because the mean of its divisors is an integer number (302567757).

Almost surely, 2^605135513 is an apocalyptic number.

It is an amenable number.

605135513 is a deficient number, since it is larger than the sum of its proper divisors (1).

605135513 is an equidigital number, since it uses as much as digits as its factorization.

605135513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 605135513 is about 24599.5022917131. The cubic root of 605135513 is about 845.8321985916.

The spelling of 605135513 in words is "six hundred five million, one hundred thirty-five thousand, five hundred thirteen".