481864321 has 4 divisors (see below), whose sum is σ = 493070512. Its totient is φ = 470658132.

The previous prime is 481864307. The next prime is 481864343. The reversal of 481864321 is 123468184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 481864321 - 2¹⁷ = 481733249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481864921) 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 3 ways as a sum of consecutive naturals, for example, 5603031 + ... + 5603116.

It is an arithmetic number, because the mean of its divisors is an integer number (123267628).

Almost surely, 2^481864321 is an apocalyptic number.

It is an amenable number.

481864321 is a deficient number, since it is larger than the sum of its proper divisors (11206191).

481864321 is a wasteful number, since it uses less digits than its factorization.

481864321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11206190.

The product of its digits is 36864, while the sum is 37.

The square root of 481864321 is about 21951.4081780646. The cubic root of 481864321 is about 783.9859089382.

The spelling of 481864321 in words is "four hundred eighty-one million, eight hundred sixty-four thousand, three hundred twenty-one".