6536564 has 6 divisors (see below), whose sum is σ = 11438994. Its totient is φ = 3268280.

The previous prime is 6536561. The next prime is 6536573. The reversal of 6536564 is 4656356.

It can be written as a sum of positive squares in only one way, i.e., 5712100 + 824464 = 2390^2 + 908^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6536561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 817067 + ... + 817074.

It is an arithmetic number, because the mean of its divisors is an integer number (1906499).

Almost surely, 2^6536564 is an apocalyptic number.

It is an amenable number.

6536564 is a deficient number, since it is larger than the sum of its proper divisors (4902430).

6536564 is a wasteful number, since it uses less digits than its factorization.

6536564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634145 (or 1634143 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 6536564 is about 2556.6704910880. The cubic root of 6536564 is about 186.9748410012.

The spelling of 6536564 in words is "six million, five hundred thirty-six thousand, five hundred sixty-four".