1003309963 has 2 divisors, whose sum is σ = 1003309964. Its totient is φ = 1003309962.

The previous prime is 1003309943. The next prime is 1003309999. The reversal of 1003309963 is 3699033001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3699033001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1003309963 - 2¹³ = 1003301771 is a prime.

It is a super-2 number, since 2×1003309963² = 2013261763710122738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1003309943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501654981 + 501654982.

It is an arithmetic number, because the mean of its divisors is an integer number (501654982).

Almost surely, 2^1003309963 is an apocalyptic number.

1003309963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003309963 is an equidigital number, since it uses as much as digits as its factorization.

1003309963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 1003309963 is about 31675.0684766426. The cubic root of 1003309963 is about 1001.1021059163.

The spelling of 1003309963 in words is "one billion, three million, three hundred nine thousand, nine hundred sixty-three".