42585171 has 8 divisors (see below), whose sum is σ = 57156864. Its totient is φ = 28201800.

The previous prime is 42585163. The next prime is 42585173. The reversal of 42585171 is 17158524.

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

It is not a de Polignac number, because 42585171 - 2³ = 42585163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42585173) 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, 46551 + ... + 47456.

It is an arithmetic number, because the mean of its divisors is an integer number (7144608).

Almost surely, 2^42585171 is an apocalyptic number.

42585171 is a deficient number, since it is larger than the sum of its proper divisors (14571693).

42585171 is a wasteful number, since it uses less digits than its factorization.

42585171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94161.

The product of its digits is 11200, while the sum is 33.

The square root of 42585171 is about 6525.7314532549. The cubic root of 42585171 is about 349.2095659006.

The spelling of 42585171 in words is "forty-two million, five hundred eighty-five thousand, one hundred seventy-one".