63485481 has 8 divisors (see below), whose sum is σ = 84693184. Its totient is φ = 42300720.

The previous prime is 63485459. The next prime is 63485483. The reversal of 63485481 is 18458436.

63485481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63485481 - 2⁵ = 63485449 is a prime.

It is a super-2 number, since 2×63485481² = 8060812595602722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63485483) 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 7 ways as a sum of consecutive naturals, for example, 2355 + ... + 11511.

It is an arithmetic number, because the mean of its divisors is an integer number (10586648).

Almost surely, 2^63485481 is an apocalyptic number.

It is an amenable number.

63485481 is a deficient number, since it is larger than the sum of its proper divisors (21207703).

63485481 is a wasteful number, since it uses less digits than its factorization.

63485481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471.

The product of its digits is 92160, while the sum is 39.

The square root of 63485481 is about 7967.7776700910. Note that the first 3 decimals coincide. The cubic root of 63485481 is about 398.9252000158.

The spelling of 63485481 in words is "sixty-three million, four hundred eighty-five thousand, four hundred eighty-one".