591481 has 8 divisors (see below), whose sum is σ = 683424. Its totient is φ = 505920.

The previous prime is 591469. The next prime is 591499. The reversal of 591481 is 184195.

It is a happy number.

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

It is not a de Polignac number, because 591481 - 2¹⁷ = 460409 is a prime.

It is a super-2 number, since 2×591481² = 699699546722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (591421) 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, 1395 + ... + 1768.

It is an arithmetic number, because the mean of its divisors is an integer number (85428).

2⁵⁹¹⁴⁸¹ is an apocalyptic number.

It is an amenable number.

591481 is a deficient number, since it is larger than the sum of its proper divisors (91943).

591481 is a wasteful number, since it uses less digits than its factorization.

591481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

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

The square root of 591481 is about 769.0780194493. The cubic root of 591481 is about 83.9421843275.

It can be divided in two parts, 5914 and 81, that added together give a palindrome (5995).

The spelling of 591481 in words is "five hundred ninety-one thousand, four hundred eighty-one".