10564561 has 8 divisors (see below), whose sum is σ = 12199040. Its totient is φ = 8961408.

The previous prime is 10564549. The next prime is 10564571. The reversal of 10564561 is 16546501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10564561 - 2¹⁹ = 10040273 is a prime.

It is a super-2 number, since 2×10564561² = 223219898245442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10564571) 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 7 ways as a sum of consecutive naturals, for example, 7101 + ... + 8458.

It is an arithmetic number, because the mean of its divisors is an integer number (1524880).

Almost surely, 2^10564561 is an apocalyptic number.

It is an amenable number.

10564561 is a deficient number, since it is larger than the sum of its proper divisors (1634479).

10564561 is an equidigital number, since it uses as much as digits as its factorization.

10564561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15663.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 10564561 is about 3250.3170614572. The cubic root of 10564561 is about 219.4238436654.

The spelling of 10564561 in words is "ten million, five hundred sixty-four thousand, five hundred sixty-one".