481591481 has 8 divisors (see below), whose sum is σ = 557022144. Its totient is φ = 407818800.

The previous prime is 481591471. The next prime is 481591483. The reversal of 481591481 is 184195184.

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 481591481 - 2¹⁰ = 481590457 is a prime.

It is a super-2 number, since 2×481591481² = 463860709143546722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (481591483) 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 7 ways as a sum of consecutive naturals, for example, 413870 + ... + 415031.

It is an arithmetic number, because the mean of its divisors is an integer number (69627768).

Almost surely, 2^481591481 is an apocalyptic number.

It is an amenable number.

481591481 is a deficient number, since it is larger than the sum of its proper divisors (75430663).

481591481 is an equidigital number, since it uses as much as digits as its factorization.

481591481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828991.

The product of its digits is 46080, while the sum is 41.

The square root of 481591481 is about 21945.1926626311. The cubic root of 481591481 is about 783.8379121608.

The spelling of 481591481 in words is "four hundred eighty-one million, five hundred ninety-one thousand, four hundred eighty-one".