2447271 has 6 divisors (see below), whose sum is σ = 3534960. Its totient is φ = 1631508.

The previous prime is 2447267. The next prime is 2447279. The reversal of 2447271 is 1727442.

It is a happy number.

It is not a de Polignac number, because 2447271 - 2² = 2447267 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447279) 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 5 ways as a sum of consecutive naturals, for example, 135951 + ... + 135968.

It is an arithmetic number, because the mean of its divisors is an integer number (589160).

2^2447271 is an apocalyptic number.

2447271 is a deficient number, since it is larger than the sum of its proper divisors (1087689).

2447271 is a wasteful number, since it uses less digits than its factorization.

2447271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271925 (or 271922 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 2447271 is about 1564.3755942867. The cubic root of 2447271 is about 134.7599024577.

The spelling of 2447271 in words is "two million, four hundred forty-seven thousand, two hundred seventy-one".