8913573 has 6 divisors (see below), whose sum is σ = 12875174. Its totient is φ = 5942376.

The previous prime is 8913563. The next prime is 8913587. The reversal of 8913573 is 3753198.

8913573 is a `hidden beast` number, since 89 + 1 + 3 + 573 = 666.

8913573 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8054244 + 859329 = 2838^2 + 927^2 .

It is not a de Polignac number, because 8913573 - 2⁴ = 8913557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8913563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 495190 + ... + 495207.

Almost surely, 2^8913573 is an apocalyptic number.

It is an amenable number.

8913573 is a deficient number, since it is larger than the sum of its proper divisors (3961601).

8913573 is a wasteful number, since it uses less digits than its factorization.

8913573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990403 (or 990400 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 8913573 is about 2985.5607513497. The cubic root of 8913573 is about 207.3404046921.

The spelling of 8913573 in words is "eight million, nine hundred thirteen thousand, five hundred seventy-three".