42273111 has 4 divisors (see below), whose sum is σ = 56364152. Its totient is φ = 28182072.

The previous prime is 42273109. The next prime is 42273113. The reversal of 42273111 is 11137224.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42273109) and next prime (42273113).

It is not a de Polignac number, because 42273111 - 2¹ = 42273109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7045516 + ... + 7045521.

It is an arithmetic number, because the mean of its divisors is an integer number (14091038).

Almost surely, 2^42273111 is an apocalyptic number.

42273111 is a deficient number, since it is larger than the sum of its proper divisors (14091041).

42273111 is a wasteful number, since it uses less digits than its factorization.

42273111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14091040.

The product of its digits is 336, while the sum is 21.

The square root of 42273111 is about 6501.7775261847. Note that the first 3 decimals coincide. The cubic root of 42273111 is about 348.3544825622.

The spelling of 42273111 in words is "forty-two million, two hundred seventy-three thousand, one hundred eleven".