8573564 has 6 divisors (see below), whose sum is σ = 15003744. Its totient is φ = 4286780.

The previous prime is 8573561. The next prime is 8573567. The reversal of 8573564 is 4653758.

It is an interprime number because it is at equal distance from previous prime (8573561) and next prime (8573567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8573561) 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, 1071692 + ... + 1071699.

It is an arithmetic number, because the mean of its divisors is an integer number (2500624).

Almost surely, 2^8573564 is an apocalyptic number.

It is an amenable number.

8573564 is a deficient number, since it is larger than the sum of its proper divisors (6430180).

8573564 is a wasteful number, since it uses less digits than its factorization.

8573564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143395 (or 2143393 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 8573564 is about 2928.0648899913. The cubic root of 8573564 is about 204.6698154875.

The spelling of 8573564 in words is "eight million, five hundred seventy-three thousand, five hundred sixty-four".