6331403 has 8 divisors (see below), whose sum is σ = 7003248. Its totient is φ = 5685984.

The previous prime is 6331399. The next prime is 6331411. The reversal of 6331403 is 3041336.

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 6331403 - 2² = 6331399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6331603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6101 + ... + 7062.

It is an arithmetic number, because the mean of its divisors is an integer number (875406).

Almost surely, 2^6331403 is an apocalyptic number.

6331403 is a deficient number, since it is larger than the sum of its proper divisors (671845).

6331403 is a wasteful number, since it uses less digits than its factorization.

6331403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13213.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 6331403 is about 2516.2279308521. The cubic root of 6331403 is about 184.9978378126.

Adding to 6331403 its reverse (3041336), we get a palindrome (9372739).

The spelling of 6331403 in words is "six million, three hundred thirty-one thousand, four hundred three".