1063400303 has 24 divisors (see below), whose sum is σ = 1378738800. Its totient is φ = 812706048.

The previous prime is 1063400297. The next prime is 1063400311. The reversal of 1063400303 is 3030043601.

It is not a de Polignac number, because 1063400303 - 2⁸ = 1063400047 is a prime.

It is a super-2 number, since 2×1063400303² = 2261640408840983618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063400203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17768 + ... + 49421.

It is an arithmetic number, because the mean of its divisors is an integer number (57447450).

Almost surely, 2^1063400303 is an apocalyptic number.

1063400303 is a deficient number, since it is larger than the sum of its proper divisors (315338497).

1063400303 is a wasteful number, since it uses less digits than its factorization.

1063400303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67239 (or 67232 counting only the distinct ones).

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

The square root of 1063400303 is about 32609.8191194002. The cubic root of 1063400303 is about 1020.7019079423.

Adding to 1063400303 its reverse (3030043601), we get a palindrome (4093443904).

The spelling of 1063400303 in words is "one billion, sixty-three million, four hundred thousand, three hundred three".