2563543045 has 12 divisors (see below), whose sum is σ = 3578497164. Its totient is φ = 1757857920.

The previous prime is 2563543013. The next prime is 2563543051. The reversal of 2563543045 is 5403453652.

It can be written as a sum of positive squares in 2 ways, for example, as 542051524 + 2021491521 = 23282^2 + 44961^2 .

It is not a de Polignac number, because 2563543045 - 2⁵ = 2563543013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2563542995 and 2563543013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5231476 + ... + 5231965.

It is an arithmetic number, because the mean of its divisors is an integer number (298208097).

Almost surely, 2^2563543045 is an apocalyptic number.

It is an amenable number.

2563543045 is a deficient number, since it is larger than the sum of its proper divisors (1014954119).

2563543045 is a wasteful number, since it uses less digits than its factorization.

2563543045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463460 (or 10463453 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The square root of 2563543045 is about 50631.4432442924. The cubic root of 2563543045 is about 1368.6115624323.

Adding to 2563543045 its reverse (5403453652), we get a palindrome (7966996697).

The spelling of 2563543045 in words is "two billion, five hundred sixty-three million, five hundred forty-three thousand, forty-five".