63130281 has 16 divisors (see below), whose sum is σ = 86414400. Its totient is φ = 40981248.

The previous prime is 63130279. The next prime is 63130307. The reversal of 63130281 is 18203136.

63130281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63130281 - 2¹ = 63130279 is a prime.

It is a super-2 number, since 2×63130281² = 7970864758277922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63130241) 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 15 ways as a sum of consecutive naturals, for example, 16125 + ... + 19653.

It is an arithmetic number, because the mean of its divisors is an integer number (5400900).

Almost surely, 2^63130281 is an apocalyptic number.

It is an amenable number.

63130281 is a deficient number, since it is larger than the sum of its proper divisors (23284119).

63130281 is a wasteful number, since it uses less digits than its factorization.

63130281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 63130281 is about 7945.4566262739. The cubic root of 63130281 is about 398.1798152991.

The spelling of 63130281 in words is "sixty-three million, one hundred thirty thousand, two hundred eighty-one".