6403063 has 2 divisors, whose sum is σ = 6403064. Its totient is φ = 6403062.

The previous prime is 6403051. The next prime is 6403127. The reversal of 6403063 is 3603046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6403063 - 2⁵ = 6403031 is a prime.

It is equal to p₄₃₈₆₀₁ and since 6403063 and 438601 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6403003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3201531 + 3201532.

It is an arithmetic number, because the mean of its divisors is an integer number (3201532).

Almost surely, 2^6403063 is an apocalyptic number.

6403063 is a deficient number, since it is larger than the sum of its proper divisors (1).

6403063 is an equidigital number, since it uses as much as digits as its factorization.

6403063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 6403063 is about 2530.4274342490. The cubic root of 6403063 is about 185.6931677593.

The spelling of 6403063 in words is "six million, four hundred three thousand, sixty-three".