6564534 has 8 divisors (see below), whose sum is σ = 13129080. Its totient is φ = 2188176.

The previous prime is 6564521. The next prime is 6564539. The reversal of 6564534 is 4354656.

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

6564534 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6564495 and 6564504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564539) 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, 547039 + ... + 547050.

It is an arithmetic number, because the mean of its divisors is an integer number (1641135).

Almost surely, 2^6564534 is an apocalyptic number.

6564534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6564534 is a wasteful number, since it uses less digits than its factorization.

6564534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094094.

The product of its digits is 43200, while the sum is 33.

The square root of 6564534 is about 2562.1346568828. The cubic root of 6564534 is about 187.2411503700.

The spelling of 6564534 in words is "six million, five hundred sixty-four thousand, five hundred thirty-four".