6657113 has 4 divisors (see below), whose sum is σ = 6766308. Its totient is φ = 6547920.

The previous prime is 6657109. The next prime is 6657179. The reversal of 6657113 is 3117566.

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 1517824 + 5139289 = 1232^2 + 2267^2 .

It is a cyclic number.

It is not a de Polignac number, because 6657113 - 2² = 6657109 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6657103) by changing a digit.

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, 54506 + ... + 54627.

It is an arithmetic number, because the mean of its divisors is an integer number (1691577).

Almost surely, 2^6657113 is an apocalyptic number.

It is an amenable number.

6657113 is a deficient number, since it is larger than the sum of its proper divisors (109195).

6657113 is a wasteful number, since it uses less digits than its factorization.

6657113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109194.

The product of its digits is 3780, while the sum is 29.

The square root of 6657113 is about 2580.1381745945. The cubic root of 6657113 is about 188.1172593512.

The spelling of 6657113 in words is "six million, six hundred fifty-seven thousand, one hundred thirteen".