481380321 has 16 divisors (see below), whose sum is σ = 645766400. Its totient is φ = 318964608.

The previous prime is 481380311. The next prime is 481380359. The reversal of 481380321 is 123083184.

It is not a de Polignac number, because 481380321 - 2⁹ = 481379809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481380311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449775 + ... + 450843.

It is an arithmetic number, because the mean of its divisors is an integer number (40360400).

Almost surely, 2^481380321 is an apocalyptic number.

It is an amenable number.

481380321 is a deficient number, since it is larger than the sum of its proper divisors (164386079).

481380321 is a wasteful number, since it uses less digits than its factorization.

481380321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 481380321 is about 21940.3810586781. The cubic root of 481380321 is about 783.7233341304.

The spelling of 481380321 in words is "four hundred eighty-one million, three hundred eighty thousand, three hundred twenty-one".