42711271 has 8 divisors (see below), whose sum is σ = 43373120. Its totient is φ = 42052608.

The previous prime is 42711241. The next prime is 42711289. The reversal of 42711271 is 17211724.

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 42711271 - 2⁷ = 42711143 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 (42711241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45115 + ... + 46051.

It is an arithmetic number, because the mean of its divisors is an integer number (5421640).

Almost surely, 2^42711271 is an apocalyptic number.

42711271 is a deficient number, since it is larger than the sum of its proper divisors (661849).

42711271 is an equidigital number, since it uses as much as digits as its factorization.

42711271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 784, while the sum is 25.

The square root of 42711271 is about 6535.3860635773. The cubic root of 42711271 is about 349.5539105938.

Adding to 42711271 its reverse (17211724), we get a palindrome (59922995).

The spelling of 42711271 in words is "forty-two million, seven hundred eleven thousand, two hundred seventy-one".