63481528 has 16 divisors (see below), whose sum is σ = 129848760. Its totient is φ = 28855200.

The previous prime is 63481513. The next prime is 63481567. The reversal of 63481528 is 82518436.

It is a happy number.

63481528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 360603 + ... + 360778.

Almost surely, 2^63481528 is an apocalyptic number.

It is an amenable number.

63481528 is an abundant number, since it is smaller than the sum of its proper divisors (66367232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63481528 is a wasteful number, since it uses less digits than its factorization.

63481528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721398 (or 721394 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 63481528 is about 7967.5296045889. The cubic root of 63481528 is about 398.9169199912.

It can be divided in two parts, 63481 and 528, that added together give a square (64009 = 253²).

The spelling of 63481528 in words is "sixty-three million, four hundred eighty-one thousand, five hundred twenty-eight".