6601103 has 4 divisors (see below), whose sum is σ = 6741600. Its totient is φ = 6460608.

The previous prime is 6601093. The next prime is 6601129. The reversal of 6601103 is 3011066.

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

It is a cyclic number.

It is not a de Polignac number, because 6601103 - 2⁶ = 6601039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6601163) 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 3 ways as a sum of consecutive naturals, for example, 70178 + ... + 70271.

It is an arithmetic number, because the mean of its divisors is an integer number (1685400).

Almost surely, 2^6601103 is an apocalyptic number.

6601103 is a deficient number, since it is larger than the sum of its proper divisors (140497).

6601103 is a wasteful number, since it uses less digits than its factorization.

6601103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140496.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 6601103 is about 2569.2611778486. The cubic root of 6601103 is about 187.5881943614.

Adding to 6601103 its reverse (3011066), we get a palindrome (9612169).

The spelling of 6601103 in words is "six million, six hundred one thousand, one hundred three".