481291 has 4 divisors (see below), whose sum is σ = 483784. Its totient is φ = 478800.

The previous prime is 481249. The next prime is 481297. The reversal of 481291 is 192184.

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 481291 - 2¹¹ = 479243 is a prime.

It is an Ulam number.

It is a Duffinian number.

481291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (481297) 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, 930 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (120946).

2⁴⁸¹²⁹¹ is an apocalyptic number.

481291 is a deficient number, since it is larger than the sum of its proper divisors (2493).

481291 is a wasteful number, since it uses less digits than its factorization.

481291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492.

The product of its digits is 576, while the sum is 25.

The square root of 481291 is about 693.7513963950. The cubic root of 481291 is about 78.3674857365.

The spelling of 481291 in words is "four hundred eighty-one thousand, two hundred ninety-one".