42567271 has 4 divisors (see below), whose sum is σ = 42892344. Its totient is φ = 42242200.

The previous prime is 42567257. The next prime is 42567281. The reversal of 42567271 is 17276524.

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 42567271 - 2¹¹ = 42565223 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 (42567241) 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, 162340 + ... + 162601.

It is an arithmetic number, because the mean of its divisors is an integer number (10723086).

Almost surely, 2^42567271 is an apocalyptic number.

42567271 is a deficient number, since it is larger than the sum of its proper divisors (325073).

42567271 is a wasteful number, since it uses less digits than its factorization.

42567271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325072.

The product of its digits is 23520, while the sum is 34.

The square root of 42567271 is about 6524.3598153382. The cubic root of 42567271 is about 349.1606308128.

The spelling of 42567271 in words is "forty-two million, five hundred sixty-seven thousand, two hundred seventy-one".