63803 has 2 divisors, whose sum is σ = 63804. Its totient is φ = 63802.

The previous prime is 63799. The next prime is 63809. The reversal of 63803 is 30836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63803 - 2² = 63799 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (63809) 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 as a sum of consecutive naturals, namely, 31901 + 31902.

It is an arithmetic number, because the mean of its divisors is an integer number (31902).

2⁶³⁸⁰³ is an apocalyptic number.

63803 is a deficient number, since it is larger than the sum of its proper divisors (1).

63803 is an equidigital number, since it uses as much as digits as its factorization.

63803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 63803 is about 252.5925572934. The cubic root of 63803 is about 39.9589161507.

The spelling of 63803 in words is "sixty-three thousand, eight hundred three".