1563563530 has 16 divisors (see below), whose sum is σ = 2814943104. Its totient is φ = 625307920.

The previous prime is 1563563513. The next prime is 1563563531. The reversal of 1563563530 is 353653651.

1563563530 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1563563530.

It is not an unprimeable number, because it can be changed into a prime (1563563531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58635 + ... + 81025.

It is an arithmetic number, because the mean of its divisors is an integer number (175933944).

Almost surely, 2^1563563530 is an apocalyptic number.

1563563530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1563563530 is a deficient number, since it is larger than the sum of its proper divisors (1251379574).

1563563530 is a wasteful number, since it uses less digits than its factorization.

1563563530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29381.

The product of its (nonzero) digits is 121500, while the sum is 37.

The square root of 1563563530 is about 39541.9211723457. The cubic root of 1563563530 is about 1160.6604270367.

The spelling of 1563563530 in words is "one billion, five hundred sixty-three million, five hundred sixty-three thousand, five hundred thirty".