6481271 has 4 divisors (see below), whose sum is σ = 6545544. Its totient is φ = 6417000.

The previous prime is 6481259. The next prime is 6481273. The reversal of 6481271 is 1721846.

6481271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6481271 - 2⁶ = 6481207 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 (6481273) 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, 31985 + ... + 32186.

It is an arithmetic number, because the mean of its divisors is an integer number (1636386).

Almost surely, 2^6481271 is an apocalyptic number.

6481271 is a deficient number, since it is larger than the sum of its proper divisors (64273).

6481271 is a wasteful number, since it uses less digits than its factorization.

6481271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64272.

The product of its digits is 2688, while the sum is 29.

The square root of 6481271 is about 2545.8340480086. The cubic root of 6481271 is about 186.4461387348.

The spelling of 6481271 in words is "six million, four hundred eighty-one thousand, two hundred seventy-one".