6564125 has 16 divisors (see below), whose sum is σ = 8676720. Its totient is φ = 4940800.

The previous prime is 6564113. The next prime is 6564127. The reversal of 6564125 is 5214656.

It can be written as a sum of positive squares in 8 ways, for example, as 284089 + 6280036 = 533^2 + 2506^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6564125 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6564127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581 + ... + 3669.

It is an arithmetic number, because the mean of its divisors is an integer number (542295).

Almost surely, 2^6564125 is an apocalyptic number.

It is an amenable number.

6564125 is a deficient number, since it is larger than the sum of its proper divisors (2112595).

6564125 is a wasteful number, since it uses less digits than its factorization.

6564125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3121 (or 3111 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 6564125 is about 2562.0548393819. The cubic root of 6564125 is about 187.2372616339.

The spelling of 6564125 in words is "six million, five hundred sixty-four thousand, one hundred twenty-five".