6505653 has 16 divisors (see below), whose sum is σ = 10814976. Its totient is φ = 3379440.

The previous prime is 6505649. The next prime is 6505663. The reversal of 6505653 is 3565056.

It is not a de Polignac number, because 6505653 - 2² = 6505649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6505653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505643) 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 15 ways as a sum of consecutive naturals, for example, 13851 + ... + 14312.

It is an arithmetic number, because the mean of its divisors is an integer number (675936).

Almost surely, 2^6505653 is an apocalyptic number.

It is an amenable number.

6505653 is a deficient number, since it is larger than the sum of its proper divisors (4309323).

6505653 is a wasteful number, since it uses less digits than its factorization.

6505653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28184.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 6505653 is about 2550.6181603682. The cubic root of 6505653 is about 186.6796444350.

The spelling of 6505653 in words is "six million, five hundred five thousand, six hundred fifty-three".