42113571 has 8 divisors (see below), whose sum is σ = 56242944. Its totient is φ = 28029960.

The previous prime is 42113569. The next prime is 42113609. The reversal of 42113571 is 17531124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42113571 - 2¹ = 42113569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42113501) 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, 9231 + ... + 13016.

It is an arithmetic number, because the mean of its divisors is an integer number (7030368).

Almost surely, 2^42113571 is an apocalyptic number.

42113571 is a deficient number, since it is larger than the sum of its proper divisors (14129373).

42113571 is a wasteful number, since it uses less digits than its factorization.

42113571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22881.

The product of its digits is 840, while the sum is 24.

The square root of 42113571 is about 6489.4969758834. The cubic root of 42113571 is about 347.9156966487.

Adding to 42113571 its reverse (17531124), we get a palindrome (59644695).

The spelling of 42113571 in words is "forty-two million, one hundred thirteen thousand, five hundred seventy-one".