10563643 has 4 divisors (see below), whose sum is σ = 10697440. Its totient is φ = 10429848.

The previous prime is 10563629. The next prime is 10563649. The reversal of 10563643 is 34636501.

10563643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10563643 - 2⁹ = 10563131 is a prime.

It is a super-2 number, since 2×10563643² = 223181106862898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10563649) 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, 66780 + ... + 66937.

It is an arithmetic number, because the mean of its divisors is an integer number (2674360).

Almost surely, 2^10563643 is an apocalyptic number.

10563643 is a deficient number, since it is larger than the sum of its proper divisors (133797).

10563643 is an equidigital number, since it uses as much as digits as its factorization.

10563643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133796.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 10563643 is about 3250.1758413969. The cubic root of 10563643 is about 219.4174879218.

The spelling of 10563643 in words is "ten million, five hundred sixty-three thousand, six hundred forty-three".