1000063633 has 2 divisors, whose sum is σ = 1000063634. Its totient is φ = 1000063632.

The previous prime is 1000063609. The next prime is 1000063693. The reversal of 1000063633 is 3363600001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 928542784 + 71520849 = 30472^2 + 8457^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000063633 - 2⁵ = 1000063601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000063693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500031816 + 500031817.

It is an arithmetic number, because the mean of its divisors is an integer number (500031817).

Almost surely, 2^1000063633 is an apocalyptic number.

It is an amenable number.

1000063633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000063633 is an equidigital number, since it uses as much as digits as its factorization.

1000063633 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 1000063633 is about 31623.7827117503. The cubic root of 1000063633 is about 1000.0212105501.

Adding to 1000063633 its reverse (3363600001), we get a palindrome (4363663634).

The spelling of 1000063633 in words is "one billion, sixty-three thousand, six hundred thirty-three".