481548321 has 40 divisors (see below), whose sum is σ = 746200224. Its totient is φ = 309251520.

The previous prime is 481548311. The next prime is 481548329. The reversal of 481548321 is 123845184.

481548321 is a `hidden beast` number, since 4 + 81 + 548 + 32 + 1 = 666.

It is not a de Polignac number, because 481548321 - 2⁵ = 481548289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481548329) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 274770 + ... + 276516.

Almost surely, 2^481548321 is an apocalyptic number.

481548321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

481548321 is a deficient number, since it is larger than the sum of its proper divisors (264651903).

481548321 is a wasteful number, since it uses less digits than its factorization.

481548321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883 (or 1874 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 481548321 is about 21944.2092817217. The cubic root of 481548321 is about 783.8144957341.

The spelling of 481548321 in words is "four hundred eighty-one million, five hundred forty-eight thousand, three hundred twenty-one".