6625105 has 4 divisors (see below), whose sum is σ = 7950132. Its totient is φ = 5300080.

The previous prime is 6625093. The next prime is 6625117. The reversal of 6625105 is 5015266.

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

It is an interprime number because it is at equal distance from previous prime (6625093) and next prime (6625117).

It can be written as a sum of positive squares in 2 ways, for example, as 3779136 + 2845969 = 1944^2 + 1687^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6625105 is a prime.

It is a super-2 number, since 2×6625105² = 87784032522050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6625105.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 662506 + ... + 662515.

It is an arithmetic number, because the mean of its divisors is an integer number (1987533).

Almost surely, 2^6625105 is an apocalyptic number.

It is an amenable number.

6625105 is a deficient number, since it is larger than the sum of its proper divisors (1325027).

6625105 is a wasteful number, since it uses less digits than its factorization.

6625105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325026.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 6625105 is about 2573.9279321690. The cubic root of 6625105 is about 187.8152799322.

The spelling of 6625105 in words is "six million, six hundred twenty-five thousand, one hundred five".