42093211 has 4 divisors (see below), whose sum is σ = 42117192. Its totient is φ = 42069232.

The previous prime is 42093209. The next prime is 42093217. The reversal of 42093211 is 11239024.

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 42093211 - 2¹ = 42093209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42093217) 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, 9130 + ... + 12943.

It is an arithmetic number, because the mean of its divisors is an integer number (10529298).

Almost surely, 2^42093211 is an apocalyptic number.

42093211 is a deficient number, since it is larger than the sum of its proper divisors (23981).

42093211 is a wasteful number, since it uses less digits than its factorization.

42093211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23980.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 42093211 is about 6487.9280976287. The cubic root of 42093211 is about 347.8596204619.

The spelling of 42093211 in words is "forty-two million, ninety-three thousand, two hundred eleven".