481391271 has 12 divisors (see below), whose sum is σ = 719320680. Its totient is φ = 309860880.

The previous prime is 481391269. The next prime is 481391279. The reversal of 481391271 is 172193184.

It is a happy number.

It is not a de Polignac number, because 481391271 - 2¹ = 481391269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481391279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 921945 + ... + 922466.

It is an arithmetic number, because the mean of its divisors is an integer number (59943390).

Almost surely, 2^481391271 is an apocalyptic number.

481391271 is a deficient number, since it is larger than the sum of its proper divisors (237929409).

481391271 is a wasteful number, since it uses less digits than its factorization.

481391271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844446 (or 1844443 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 481391271 is about 21940.6305971364. The cubic root of 481391271 is about 783.7292765596.

The spelling of 481391271 in words is "four hundred eighty-one million, three hundred ninety-one thousand, two hundred seventy-one".