481591 has 4 divisors (see below), whose sum is σ = 525384. Its totient is φ = 437800.

The previous prime is 481589. The next prime is 481619. The reversal of 481591 is 195184.

It is a happy number.

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

It is not a de Polignac number, because 481591 - 2¹ = 481589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481501) 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, 21880 + ... + 21901.

It is an arithmetic number, because the mean of its divisors is an integer number (131346).

2⁴⁸¹⁵⁹¹ is an apocalyptic number.

481591 is a deficient number, since it is larger than the sum of its proper divisors (43793).

481591 is a wasteful number, since it uses less digits than its factorization.

481591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43792.

The product of its digits is 1440, while the sum is 28.

The square root of 481591 is about 693.9675784934. The cubic root of 481591 is about 78.3837651202.

The spelling of 481591 in words is "four hundred eighty-one thousand, five hundred ninety-one".