478535481 has 6 divisors (see below), whose sum is σ = 691217930. Its totient is φ = 319023648.

The previous prime is 478535479. The next prime is 478535503. The reversal of 478535481 is 184535874.

478535481 is a `hidden beast` number, since 4 + 78 + 535 + 48 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 296528400 + 182007081 = 17220^2 + 13491^2 .

It is not a de Polignac number, because 478535481 - 2¹ = 478535479 is a prime.

It is a super-2 number, since 2×478535481² = 457992413151802722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478535441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26585296 + ... + 26585313.

Almost surely, 2^478535481 is an apocalyptic number.

It is an amenable number.

478535481 is a deficient number, since it is larger than the sum of its proper divisors (212682449).

478535481 is a wasteful number, since it uses less digits than its factorization.

478535481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53170615 (or 53170612 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 478535481 is about 21875.4538467205. The cubic root of 478535481 is about 782.1764117104.

The spelling of 478535481 in words is "four hundred seventy-eight million, five hundred thirty-five thousand, four hundred eighty-one".