42267271 has 4 divisors (see below), whose sum is σ = 42287392. Its totient is φ = 42247152.

The previous prime is 42267263. The next prime is 42267289. The reversal of 42267271 is 17276224.

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 42267271 - 2³ = 42267263 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 (42267221) 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, 6486 + ... + 11251.

It is an arithmetic number, because the mean of its divisors is an integer number (10571848).

Almost surely, 2^42267271 is an apocalyptic number.

42267271 is a deficient number, since it is larger than the sum of its proper divisors (20121).

42267271 is a wasteful number, since it uses less digits than its factorization.

42267271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20120.

The product of its digits is 9408, while the sum is 31.

The square root of 42267271 is about 6501.3284027189. The cubic root of 42267271 is about 348.3384401827.

The spelling of 42267271 in words is "forty-two million, two hundred sixty-seven thousand, two hundred seventy-one".