6623265 has 32 divisors (see below), whose sum is σ = 11684736. Its totient is φ = 3176960.

The previous prime is 6623261. The next prime is 6623273. The reversal of 6623265 is 5623266.

It is not a de Polignac number, because 6623265 - 2² = 6623261 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6623261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22459 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (365148).

Almost surely, 2^6623265 is an apocalyptic number.

It is an amenable number.

6623265 is a deficient number, since it is larger than the sum of its proper divisors (5061471).

6623265 is a wasteful number, since it uses less digits than its factorization.

6623265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its digits is 12960, while the sum is 30.

The square root of 6623265 is about 2573.5704769833. The cubic root of 6623265 is about 187.7978909191.

Subtracting from 6623265 its reverse (5623266), we obtain a palindrome (999999).

The spelling of 6623265 in words is "six million, six hundred twenty-three thousand, two hundred sixty-five".