42545227 has 8 divisors (see below), whose sum is σ = 43781472. Its totient is φ = 41313600.

The previous prime is 42545221. The next prime is 42545287. The reversal of 42545227 is 72254524.

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 42545227 - 2¹⁹ = 42020939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42545221) 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, 27402 + ... + 28912.

It is an arithmetic number, because the mean of its divisors is an integer number (5472684).

Almost surely, 2^42545227 is an apocalyptic number.

42545227 is a deficient number, since it is larger than the sum of its proper divisors (1236245).

42545227 is a wasteful number, since it uses less digits than its factorization.

42545227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2309.

The product of its digits is 22400, while the sum is 31.

The square root of 42545227 is about 6522.6702354174. The cubic root of 42545227 is about 349.1003479884.

The spelling of 42545227 in words is "forty-two million, five hundred forty-five thousand, two hundred twenty-seven".