6534563 has 8 divisors (see below), whose sum is σ = 7507200. Its totient is φ = 5571720.

The previous prime is 6534559. The next prime is 6534589. The reversal of 6534563 is 3654356.

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

It is not a de Polignac number, because 6534563 - 2² = 6534559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953 + ... + 3738.

It is an arithmetic number, because the mean of its divisors is an integer number (938400).

Almost surely, 2^6534563 is an apocalyptic number.

6534563 is a deficient number, since it is larger than the sum of its proper divisors (972637).

6534563 is a wasteful number, since it uses less digits than its factorization.

6534563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4897.

The product of its digits is 32400, while the sum is 32.

The square root of 6534563 is about 2556.2791318633. The cubic root of 6534563 is about 186.9557598836.

The spelling of 6534563 in words is "six million, five hundred thirty-four thousand, five hundred sixty-three".