481381 has 8 divisors (see below), whose sum is σ = 504000. Its totient is φ = 459360.

The previous prime is 481379. The next prime is 481387. The reversal of 481381 is 183184.

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

It is a cyclic number.

It is not a de Polignac number, because 481381 - 2¹ = 481379 is a prime.

It is a super-2 number, since 2×481381² = 463455334322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2⁴⁸¹³⁸¹ is an apocalyptic number.

481381 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

481381 is a deficient number, since it is larger than the sum of its proper divisors (22619).

481381 is a wasteful number, since it uses less digits than its factorization.

481381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its digits is 768, while the sum is 25.

The square root of 481381 is about 693.8162580972. The cubic root of 481381 is about 78.3723702618.

The spelling of 481381 in words is "four hundred eighty-one thousand, three hundred eighty-one".