63281056 has 24 divisors (see below), whose sum is σ = 124761924. Its totient is φ = 31595520.

The previous prime is 63281051. The next prime is 63281059. The reversal of 63281056 is 65018236.

63281056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 62157456 + 1123600 = 7884^2 + 1060^2 .

It is not an unprimeable number, because it can be changed into a prime (63281051) 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 3 ways as a sum of consecutive naturals, for example, 42826 + ... + 44278.

Almost surely, 2^63281056 is an apocalyptic number.

It is an amenable number.

63281056 is a deficient number, since it is larger than the sum of its proper divisors (61480868).

63281056 is a wasteful number, since it uses less digits than its factorization.

63281056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824 (or 2816 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 63281056 is about 7954.9390946757. The cubic root of 63281056 is about 398.4965562218.

The spelling of 63281056 in words is "sixty-three million, two hundred eighty-one thousand, fifty-six".