1011630563 has 2 divisors, whose sum is σ = 1011630564. Its totient is φ = 1011630562.

The previous prime is 1011630523. The next prime is 1011630617. The reversal of 1011630563 is 3650361101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011630563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011630523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505815281 + 505815282.

It is an arithmetic number, because the mean of its divisors is an integer number (505815282).

Almost surely, 2^1011630563 is an apocalyptic number.

1011630563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011630563 is an equidigital number, since it uses as much as digits as its factorization.

1011630563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 1011630563 is about 31806.1403348473. The cubic root of 1011630563 is about 1003.8619207024.

Adding to 1011630563 its reverse (3650361101), we get a palindrome (4661991664).

The spelling of 1011630563 in words is "one billion, eleven million, six hundred thirty thousand, five hundred sixty-three".