1003363 has 2 divisors, whose sum is σ = 1003364. Its totient is φ = 1003362.

The previous prime is 1003361. The next prime is 1003367. The reversal of 1003363 is 3633001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3633001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003363 - 2¹ = 1003361 is a prime.

Together with 1003361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1003361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501681 + 501682.

It is an arithmetic number, because the mean of its divisors is an integer number (501682).

2^1003363 is an apocalyptic number.

1003363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003363 is an equidigital number, since it uses as much as digits as its factorization.

1003363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1003363 is about 1001.6800886511. The cubic root of 1003363 is about 100.1119745702. Note that the first 3 decimals are identical.

Adding to 1003363 its reverse (3633001), we get a palindrome (4636364).

The spelling of 1003363 in words is "one million, three thousand, three hundred sixty-three".