1063813523 has 4 divisors (see below), whose sum is σ = 1066591488. Its totient is φ = 1061035560.

The previous prime is 1063813501. The next prime is 1063813567. The reversal of 1063813523 is 3253183601.

1063813523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1063813523 - 2²⁰ = 1062764947 is a prime.

It is a super-2 number, since 2×1063813523² = 2263398423435343058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1063813523.

It is not an unprimeable number, because it can be changed into a prime (1063813423) 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, 1388408 + ... + 1389173.

It is an arithmetic number, because the mean of its divisors is an integer number (266647872).

Almost surely, 2^1063813523 is an apocalyptic number.

1063813523 is a deficient number, since it is larger than the sum of its proper divisors (2777965).

1063813523 is an equidigital number, since it uses as much as digits as its factorization.

1063813523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777964.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1063813523 is about 32616.1543257325. The cubic root of 1063813523 is about 1020.8341001880.

The spelling of 1063813523 in words is "one billion, sixty-three million, eight hundred thirteen thousand, five hundred twenty-three".