42371 has 4 divisors (see below), whose sum is σ = 48432. Its totient is φ = 36312.

The previous prime is 42359. The next prime is 42373. The reversal of 42371 is 17324.

It is a happy number.

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 42371 - 2⁶ = 42307 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 42371.

It is not an unprimeable number, because it can be changed into a prime (42373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3020 + ... + 3033.

It is an arithmetic number, because the mean of its divisors is an integer number (12108).

2⁴²³⁷¹ is an apocalyptic number.

42371 is a deficient number, since it is larger than the sum of its proper divisors (6061).

42371 is an equidigital number, since it uses as much as digits as its factorization.

42371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060.

The product of its digits is 168, while the sum is 17.

The square root of 42371 is about 205.8421725497. The cubic root of 42371 is about 34.8623162296.

Adding to 42371 its reverse (17324), we get a palindrome (59695).

It can be divided in two parts, 423 and 71, that added together give a palindrome (494).

The spelling of 42371 in words is "forty-two thousand, three hundred seventy-one", and thus it is an iban number.