6403351 has 2 divisors, whose sum is σ = 6403352. Its totient is φ = 6403350.

The previous prime is 6403343. The next prime is 6403363. The reversal of 6403351 is 1533046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6403351 - 2³ = 6403343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6403321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201675 + 3201676.

It is an arithmetic number, because the mean of its divisors is an integer number (3201676).

Almost surely, 2^6403351 is an apocalyptic number.

6403351 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403351 is an equidigital number, since it uses as much as digits as its factorization.

6403351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 6403351 is about 2530.4843409909. The cubic root of 6403351 is about 185.6959517827.

Adding to 6403351 its reverse (1533046), we get a palindrome (7936397).

The spelling of 6403351 in words is "six million, four hundred three thousand, three hundred fifty-one".