1013663603 has 2 divisors, whose sum is σ = 1013663604. Its totient is φ = 1013663602.

The previous prime is 1013663579. The next prime is 1013663611. The reversal of 1013663603 is 3063663101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1013663603 - 2⁸ = 1013663347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013663633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506831801 + 506831802.

It is an arithmetic number, because the mean of its divisors is an integer number (506831802).

Almost surely, 2^1013663603 is an apocalyptic number.

1013663603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013663603 is an equidigital number, since it uses as much as digits as its factorization.

1013663603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 1013663603 is about 31838.0841603260. The cubic root of 1013663603 is about 1004.5339465940.

The spelling of 1013663603 in words is "one billion, thirteen million, six hundred sixty-three thousand, six hundred three".