42534227 has 4 divisors (see below), whose sum is σ = 42564840. Its totient is φ = 42503616.

The previous prime is 42534223. The next prime is 42534241. The reversal of 42534227 is 72243524.

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 42534227 - 2² = 42534223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42534227.

It is not an unprimeable number, because it can be changed into a prime (42534223) 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, 13118 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (10641210).

Almost surely, 2^42534227 is an apocalyptic number.

42534227 is a deficient number, since it is larger than the sum of its proper divisors (30613).

42534227 is a wasteful number, since it uses less digits than its factorization.

42534227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30612.

The product of its digits is 13440, while the sum is 29.

The square root of 42534227 is about 6521.8269679592. The cubic root of 42534227 is about 349.0702589506.

The spelling of 42534227 in words is "forty-two million, five hundred thirty-four thousand, two hundred twenty-seven".