605646313 has 4 divisors (see below), whose sum is σ = 606625360. Its totient is φ = 604667268.

The previous prime is 605646263. The next prime is 605646323. The reversal of 605646313 is 313646506.

605646313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-605646313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605646323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488595 + ... + 489832.

It is an arithmetic number, because the mean of its divisors is an integer number (151656340).

Almost surely, 2^605646313 is an apocalyptic number.

It is an amenable number.

605646313 is a deficient number, since it is larger than the sum of its proper divisors (979047).

605646313 is an equidigital number, since it uses as much as digits as its factorization.

605646313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979046.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 605646313 is about 24609.8824255623. The cubic root of 605646313 is about 846.0701230282.

The spelling of 605646313 in words is "six hundred five million, six hundred forty-six thousand, three hundred thirteen".