8605313 has 4 divisors (see below), whose sum is σ = 8723268. Its totient is φ = 8487360.

The previous prime is 8605307. The next prime is 8605319. The reversal of 8605313 is 3135068.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8605307) and next prime (8605319).

It can be written as a sum of positive squares in 2 ways, for example, as 6801664 + 1803649 = 2608^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 8605313 - 2⁴ = 8605297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8605319) 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, 58868 + ... + 59013.

It is an arithmetic number, because the mean of its divisors is an integer number (2180817).

Almost surely, 2^8605313 is an apocalyptic number.

It is an amenable number.

8605313 is a deficient number, since it is larger than the sum of its proper divisors (117955).

8605313 is a wasteful number, since it uses less digits than its factorization.

8605313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117954.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 8605313 is about 2933.4813788398. The cubic root of 8605313 is about 204.9221437445.

The spelling of 8605313 in words is "eight million, six hundred five thousand, three hundred thirteen".