481331 has 4 divisors (see below), whose sum is σ = 484200. Its totient is φ = 478464.

The previous prime is 481307. The next prime is 481343. The reversal of 481331 is 133184.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 481331 - 2¹⁸ = 219187 is a prime.

It is a super-2 number, since 2×481331² = 463359063122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481301) 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, 1166 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (121050).

2⁴⁸¹³³¹ is an apocalyptic number.

481331 is a deficient number, since it is larger than the sum of its proper divisors (2869).

481331 is a wasteful number, since it uses less digits than its factorization.

481331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868.

The product of its digits is 288, while the sum is 20.

The square root of 481331 is about 693.7802245668. The cubic root of 481331 is about 78.3696567118.

The spelling of 481331 in words is "four hundred eighty-one thousand, three hundred thirty-one".