6623105 has 4 divisors (see below), whose sum is σ = 7947732. Its totient is φ = 5298480.

The previous prime is 6623101. The next prime is 6623117. The reversal of 6623105 is 5013266.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 4456321 = 1472^2 + 2111^2 .

It is not a de Polignac number, because 6623105 - 2² = 6623101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6623101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662306 + ... + 662315.

It is an arithmetic number, because the mean of its divisors is an integer number (1986933).

Almost surely, 2^6623105 is an apocalyptic number.

It is an amenable number.

6623105 is a deficient number, since it is larger than the sum of its proper divisors (1324627).

6623105 is a wasteful number, since it uses less digits than its factorization.

6623105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324626.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 6623105 is about 2573.5393915773. The cubic root of 6623105 is about 187.7963786789.

The spelling of 6623105 in words is "six million, six hundred twenty-three thousand, one hundred five".