42132271 has 4 divisors (see below), whose sum is σ = 42152544. Its totient is φ = 42112000.

The previous prime is 42132227. The next prime is 42132319. The reversal of 42132271 is 17223124.

42132271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42132271 - 2¹⁷ = 42001199 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 (42132371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6610 + ... + 11311.

It is an arithmetic number, because the mean of its divisors is an integer number (10538136).

Almost surely, 2^42132271 is an apocalyptic number.

42132271 is a deficient number, since it is larger than the sum of its proper divisors (20273).

42132271 is a wasteful number, since it uses less digits than its factorization.

42132271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20272.

The product of its digits is 672, while the sum is 22.

The square root of 42132271 is about 6490.9376056160. The cubic root of 42132271 is about 347.9671848874.

Adding to 42132271 its reverse (17223124), we get a palindrome (59355395).

The spelling of 42132271 in words is "forty-two million, one hundred thirty-two thousand, two hundred seventy-one".