42330571 has 2 divisors, whose sum is σ = 42330572. Its totient is φ = 42330570.

The previous prime is 42330551. The next prime is 42330677. The reversal of 42330571 is 17503324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42330571 - 2⁷ = 42330443 is a prime.

It is not a weakly prime, because it can be changed into another prime (42330551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21165285 + 21165286.

It is an arithmetic number, because the mean of its divisors is an integer number (21165286).

Almost surely, 2^42330571 is an apocalyptic number.

42330571 is a deficient number, since it is larger than the sum of its proper divisors (1).

42330571 is an equidigital number, since it uses as much as digits as its factorization.

42330571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 42330571 is about 6506.1948172492. The cubic root of 42330571 is about 348.5122454661.

Adding to 42330571 its reverse (17503324), we get a palindrome (59833895).

The spelling of 42330571 in words is "forty-two million, three hundred thirty thousand, five hundred seventy-one".