1063163263 has 4 divisors (see below), whose sum is σ = 1064546560. Its totient is φ = 1061779968.

The previous prime is 1063163243. The next prime is 1063163273. The reversal of 1063163263 is 3623613601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1063163263 is a prime.

It is a super-2 number, since 2×1063163263² = 2260632247585614338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1063163203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690495 + ... + 692032.

It is an arithmetic number, because the mean of its divisors is an integer number (266136640).

Almost surely, 2^1063163263 is an apocalyptic number.

1063163263 is a deficient number, since it is larger than the sum of its proper divisors (1383297).

1063163263 is an equidigital number, since it uses as much as digits as its factorization.

1063163263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383296.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1063163263 is about 32606.1844287246. The cubic root of 1063163263 is about 1020.6260615719.

Adding to 1063163263 its reverse (3623613601), we get a palindrome (4686776864).

The spelling of 1063163263 in words is "one billion, sixty-three million, one hundred sixty-three thousand, two hundred sixty-three".