8605913 has 2 divisors, whose sum is σ = 8605914. Its totient is φ = 8605912.

The previous prime is 8605873. The next prime is 8605931. The reversal of 8605913 is 3195068.

8605913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (8605931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7038409 + 1567504 = 2653^2 + 1252^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8605913 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8605913.

It is not a weakly prime, because it can be changed into another prime (8605963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4302956 + 4302957.

It is an arithmetic number, because the mean of its divisors is an integer number (4302957).

Almost surely, 2^8605913 is an apocalyptic number.

It is an amenable number.

8605913 is a deficient number, since it is larger than the sum of its proper divisors (1).

8605913 is an equidigital number, since it uses as much as digits as its factorization.

8605913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 8605913 is about 2933.5836446231. The cubic root of 8605913 is about 204.9269063227.

The spelling of 8605913 in words is "eight million, six hundred five thousand, nine hundred thirteen".