10564321 has 4 divisors (see below), whose sum is σ = 10581444. Its totient is φ = 10547200.

The previous prime is 10564319. The next prime is 10564343. The reversal of 10564321 is 12346501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12346501 = 239 ⋅51659.

It can be written as a sum of positive squares in 2 ways, for example, as 7182400 + 3381921 = 2680^2 + 1839^2 .

It is a cyclic number.

It is not a de Polignac number, because 10564321 - 2¹ = 10564319 is a prime.

It is a super-2 number, since 2×10564321² = 223209756382082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10564292 and 10564301.

It is not an unprimeable number, because it can be changed into a prime (10564391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7600 + ... + 8881.

It is an arithmetic number, because the mean of its divisors is an integer number (2645361).

Almost surely, 2^10564321 is an apocalyptic number.

It is an amenable number.

10564321 is a deficient number, since it is larger than the sum of its proper divisors (17123).

10564321 is an equidigital number, since it uses as much as digits as its factorization.

10564321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17122.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10564321 is about 3250.2801417724. The cubic root of 10564321 is about 219.4221820686.

The spelling of 10564321 in words is "ten million, five hundred sixty-four thousand, three hundred twenty-one".