6641131 has 16 divisors (see below), whose sum is σ = 7840768. Its totient is φ = 5508000.

The previous prime is 6641083. The next prime is 6641143. The reversal of 6641131 is 1311466.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6641131 - 2¹⁹ = 6116843 is a prime.

It is a super-2 number, since 2×6641131² = 88209241918322, which contains 22 as substring.

It is a Duffinian number.

6641131 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6641231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43906 + ... + 44056.

It is an arithmetic number, because the mean of its divisors is an integer number (490048).

Almost surely, 2^6641131 is an apocalyptic number.

6641131 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

6641131 is a deficient number, since it is larger than the sum of its proper divisors (1199637).

6641131 is a wasteful number, since it uses less digits than its factorization.

6641131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322.

The product of its digits is 432, while the sum is 22.

The square root of 6641131 is about 2577.0391925619. The cubic root of 6641131 is about 187.9665984873.

Adding to 6641131 its reverse (1311466), we get a palindrome (7952597).

The spelling of 6641131 in words is "six million, six hundred forty-one thousand, one hundred thirty-one".