481281 has 8 divisors (see below), whose sum is σ = 646944. Its totient is φ = 318240.

The previous prime is 481249. The next prime is 481297. The reversal of 481281 is 182184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 481281 - 2⁵ = 481249 is a prime.

It is a super-2 number, since 2×481281² = 463262801922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 481281.

It is not an unprimeable number, because it can be changed into a prime (481211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (80868).

It is a Proth number, since it is equal to 235 ⋅ 2¹¹ + 1 and 235 < 2¹¹.

2⁴⁸¹²⁸¹ is an apocalyptic number.

It is an amenable number.

481281 is a deficient number, since it is larger than the sum of its proper divisors (165663).

481281 is a wasteful number, since it uses less digits than its factorization.

481281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311.

The product of its digits is 512, while the sum is 24.

The square root of 481281 is about 693.7441891649. The cubic root of 481281 is about 78.3669429739.

The spelling of 481281 in words is "four hundred eighty-one thousand, two hundred eighty-one".