1003340863 has 4 divisors (see below), whose sum is σ = 1146675280. Its totient is φ = 860006448.

The previous prime is 1003340857. The next prime is 1003340873. The reversal of 1003340863 is 3680433001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1003340863 - 2²⁵ = 969786431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003340873) 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 3 ways as a sum of consecutive naturals, for example, 71667198 + ... + 71667211.

It is an arithmetic number, because the mean of its divisors is an integer number (286668820).

Almost surely, 2^1003340863 is an apocalyptic number.

1003340863 is a deficient number, since it is larger than the sum of its proper divisors (143334417).

1003340863 is an equidigital number, since it uses as much as digits as its factorization.

1003340863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143334416.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1003340863 is about 31675.5562382099. The cubic root of 1003340863 is about 1001.1123831449.

Adding to 1003340863 its reverse (3680433001), we get a palindrome (4683773864).

The spelling of 1003340863 in words is "one billion, three million, three hundred forty thousand, eight hundred sixty-three".