42452271 has 6 divisors (see below), whose sum is σ = 61319960. Its totient is φ = 28301508.

The previous prime is 42452269. The next prime is 42452303. The reversal of 42452271 is 17225424.

It is not a de Polignac number, because 42452271 - 2¹ = 42452269 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 (42452231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2358451 + ... + 2358468.

Almost surely, 2^42452271 is an apocalyptic number.

42452271 is a deficient number, since it is larger than the sum of its proper divisors (18867689).

42452271 is a wasteful number, since it uses less digits than its factorization.

42452271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716925 (or 4716922 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 42452271 is about 6515.5407296709. The cubic root of 42452271 is about 348.8459157309.

Adding to 42452271 its reverse (17225424), we get a palindrome (59677695).

The spelling of 42452271 in words is "forty-two million, four hundred fifty-two thousand, two hundred seventy-one".