4271247 has 6 divisors (see below), whose sum is σ = 6169592. Its totient is φ = 2847492.

The previous prime is 4271237. The next prime is 4271251. The reversal of 4271247 is 7421724.

It is a happy number.

It is not a de Polignac number, because 4271247 - 2¹⁰ = 4270223 is a prime.

It is a Duffinian number.

4271247 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4271247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4271227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237283 + ... + 237300.

Almost surely, 2^4271247 is an apocalyptic number.

4271247 is a deficient number, since it is larger than the sum of its proper divisors (1898345).

4271247 is a wasteful number, since it uses less digits than its factorization.

4271247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474589 (or 474586 counting only the distinct ones).

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

The square root of 4271247 is about 2066.6995427493. The cubic root of 4271247 is about 162.2500710270.

It can be divided in two parts, 42 and 71247, that added together give a square (71289 = 267²).

The spelling of 4271247 in words is "four million, two hundred seventy-one thousand, two hundred forty-seven".