481191 has 4 divisors (see below), whose sum is σ = 641592. Its totient is φ = 320792.

The previous prime is 481181. The next prime is 481199. The reversal of 481191 is 191184.

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 481191 - 2¹⁰ = 480167 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80196 + ... + 80201.

It is an arithmetic number, because the mean of its divisors is an integer number (160398).

2⁴⁸¹¹⁹¹ is an apocalyptic number.

481191 is a deficient number, since it is larger than the sum of its proper divisors (160401).

481191 is a wasteful number, since it uses less digits than its factorization.

481191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160400.

The product of its digits is 288, while the sum is 24.

The square root of 481191 is about 693.6793207239. The cubic root of 481191 is about 78.3620577720.

The spelling of 481191 in words is "four hundred eighty-one thousand, one hundred ninety-one".