42862171 has 4 divisors (see below), whose sum is σ = 46758744. Its totient is φ = 38965600.

The previous prime is 42862163. The next prime is 42862177. The reversal of 42862171 is 17126824.

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 42862171 - 2³ = 42862163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42862177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948270 + ... + 1948291.

It is an arithmetic number, because the mean of its divisors is an integer number (11689686).

Almost surely, 2^42862171 is an apocalyptic number.

42862171 is a deficient number, since it is larger than the sum of its proper divisors (3896573).

42862171 is a wasteful number, since it uses less digits than its factorization.

42862171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896572.

The product of its digits is 5376, while the sum is 31.

The square root of 42862171 is about 6546.9207265706. The cubic root of 42862171 is about 349.9650876741.

Adding to 42862171 its reverse (17126824), we get a palindrome (59988995).

The spelling of 42862171 in words is "forty-two million, eight hundred sixty-two thousand, one hundred seventy-one".