6331641 has 4 divisors (see below), whose sum is σ = 8442192. Its totient is φ = 4221092.

The previous prime is 6331609. The next prime is 6331669. The reversal of 6331641 is 1461336.

6331641 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 6331641 - 2⁵ = 6331609 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (6331691) 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, 1055271 + ... + 1055276.

It is an arithmetic number, because the mean of its divisors is an integer number (2110548).

Almost surely, 2^6331641 is an apocalyptic number.

It is an amenable number.

6331641 is a deficient number, since it is larger than the sum of its proper divisors (2110551).

6331641 is a wasteful number, since it uses less digits than its factorization.

6331641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110550.

The product of its digits is 1296, while the sum is 24.

The square root of 6331641 is about 2516.2752234205. The cubic root of 6331641 is about 185.0001558314. Note that the first 3 decimals are identical.

Adding to 6331641 its reverse (1461336), we get a palindrome (7792977).

The spelling of 6331641 in words is "six million, three hundred thirty-one thousand, six hundred forty-one".