8566541 has 4 divisors (see below), whose sum is σ = 8611584. Its totient is φ = 8521500.

The previous prime is 8566507. The next prime is 8566543. The reversal of 8566541 is 1456658.

It is a happy number.

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 not a de Polignac number, because 8566541 - 2¹⁸ = 8304397 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 (8566543) 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 in 3 ways as a sum of consecutive naturals, for example, 22235 + ... + 22616.

It is an arithmetic number, because the mean of its divisors is an integer number (2152896).

Almost surely, 2^8566541 is an apocalyptic number.

It is an amenable number.

8566541 is a deficient number, since it is larger than the sum of its proper divisors (45043).

8566541 is a wasteful number, since it uses less digits than its factorization.

8566541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45042.

The product of its digits is 28800, while the sum is 35.

The square root of 8566541 is about 2926.8653880901. The cubic root of 8566541 is about 204.6139154062.

The spelling of 8566541 in words is "eight million, five hundred sixty-six thousand, five hundred forty-one".