6631113 has 4 divisors (see below), whose sum is σ = 8841488. Its totient is φ = 4420740.

The previous prime is 6631109. The next prime is 6631129. The reversal of 6631113 is 3111366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6631113 - 2² = 6631109 is a prime.

It is a D-number.

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 6631113.

It is not an unprimeable number, because it can be changed into a prime (6631193) 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, 1105183 + ... + 1105188.

It is an arithmetic number, because the mean of its divisors is an integer number (2210372).

Almost surely, 2^6631113 is an apocalyptic number.

It is an amenable number.

6631113 is a deficient number, since it is larger than the sum of its proper divisors (2210375).

6631113 is a wasteful number, since it uses less digits than its factorization.

6631113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210374.

The product of its digits is 324, while the sum is 21.

The square root of 6631113 is about 2575.0947555381. The cubic root of 6631113 is about 187.8720364303.

Adding to 6631113 its reverse (3111366), we get a palindrome (9742479).

The spelling of 6631113 in words is "six million, six hundred thirty-one thousand, one hundred thirteen".