42354571 has 6 divisors (see below), whose sum is σ = 49269660. Its totient is φ = 36303876.

The previous prime is 42354491. The next prime is 42354583. The reversal of 42354571 is 17545324.

It is a de Polignac number, because none of the positive numbers 2^k-42354571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42354071) 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, 432141 + ... + 432238.

It is an arithmetic number, because the mean of its divisors is an integer number (8211610).

Almost surely, 2^42354571 is an apocalyptic number.

42354571 is a deficient number, since it is larger than the sum of its proper divisors (6915089).

42354571 is an equidigital number, since it uses as much as digits as its factorization.

42354571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864393 (or 864386 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 42354571 is about 6508.0389519424. The cubic root of 42354571 is about 348.5780979019.

Adding to 42354571 its reverse (17545324), we get a palindrome (59899895).

The spelling of 42354571 in words is "forty-two million, three hundred fifty-four thousand, five hundred seventy-one".