481343881 has 4 divisors (see below), whose sum is σ = 486109764. Its totient is φ = 476578000.

The previous prime is 481343869. The next prime is 481343893. The reversal of 481343881 is 188343184.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (481343869) and next prime (481343893).

It can be written as a sum of positive squares in 2 ways, for example, as 300710281 + 180633600 = 17341^2 + 13440^2 .

It is a cyclic number.

It is not a de Polignac number, because 481343881 - 2²⁵ = 447789449 is a prime.

It is a super-2 number, since 2×481343881² = 463383863552284322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481343981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382790 + ... + 2382991.

It is an arithmetic number, because the mean of its divisors is an integer number (121527441).

Almost surely, 2^481343881 is an apocalyptic number.

It is an amenable number.

481343881 is a deficient number, since it is larger than the sum of its proper divisors (4765883).

481343881 is a wasteful number, since it uses less digits than its factorization.

481343881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765882.

The product of its digits is 73728, while the sum is 40.

The square root of 481343881 is about 21939.5506107122. The cubic root of 481343881 is about 783.7035579453.

The spelling of 481343881 in words is "four hundred eighty-one million, three hundred forty-three thousand, eight hundred eighty-one".