6649265 has 16 divisors (see below), whose sum is σ = 9434880. Its totient is φ = 4401600.

The previous prime is 6649249. The next prime is 6649267. The reversal of 6649265 is 5629466.

It is not a de Polignac number, because 6649265 - 2⁴ = 6649249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6649267) 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 15 ways as a sum of consecutive naturals, for example, 2261 + ... + 4290.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^6649265 is an apocalyptic number.

It is an amenable number.

6649265 is a deficient number, since it is larger than the sum of its proper divisors (2785615).

6649265 is a wasteful number, since it uses less digits than its factorization.

6649265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592.

The product of its digits is 77760, while the sum is 38.

The square root of 6649265 is about 2578.6168773201. The cubic root of 6649265 is about 188.0433071349.

The spelling of 6649265 in words is "six million, six hundred forty-nine thousand, two hundred sixty-five".