5281563 has 48 divisors (see below), whose sum is σ = 9047040. Its totient is φ = 2721600.

The previous prime is 5281547. The next prime is 5281597. The reversal of 5281563 is 3651825.

It is not a de Polignac number, because 5281563 - 2⁴ = 5281547 is a prime.

5281563 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5281563.

It is not an unprimeable number, because it can be changed into a prime (5281163) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 86553 + ... + 86613.

It is an arithmetic number, because the mean of its divisors is an integer number (188480).

Almost surely, 2^5281563 is an apocalyptic number.

5281563 is a deficient number, since it is larger than the sum of its proper divisors (3765477).

5281563 is a wasteful number, since it uses less digits than its factorization.

5281563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 121 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 5281563 is about 2298.1651376696. The cubic root of 5281563 is about 174.1489344472.

The spelling of 5281563 in words is "five million, two hundred eighty-one thousand, five hundred sixty-three".