6441331 has 8 divisors (see below), whose sum is σ = 6958224. Its totient is φ = 5927520.

The previous prime is 6441319. The next prime is 6441343. The reversal of 6441331 is 1331446.

It is an interprime number because it is at equal distance from previous prime (6441319) and next prime (6441343).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6441331 - 2⁵ = 6441299 is a prime.

It is a super-2 number, since 2×6441331² = 82981490103122, which contains 22 as substring.

6441331 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6441371) 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 7 ways as a sum of consecutive naturals, for example, 5541 + ... + 6601.

It is an arithmetic number, because the mean of its divisors is an integer number (869778).

Almost surely, 2^6441331 is an apocalyptic number.

6441331 is a deficient number, since it is larger than the sum of its proper divisors (516893).

6441331 is a wasteful number, since it uses less digits than its factorization.

6441331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541.

The product of its digits is 864, while the sum is 22.

The square root of 6441331 is about 2537.9777382790. The cubic root of 6441331 is about 186.0623658748.

Adding to 6441331 its reverse (1331446), we get a palindrome (7772777).

The spelling of 6441331 in words is "six million, four hundred forty-one thousand, three hundred thirty-one".