42132241 has 4 divisors (see below), whose sum is σ = 42566692. Its totient is φ = 41697792.

The previous prime is 42132227. The next prime is 42132319. The reversal of 42132241 is 14223124.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32547025 + 9585216 = 5705^2 + 3096^2 .

It is a cyclic number.

It is not a de Polignac number, because 42132241 - 2²¹ = 40035089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42130241) 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, 217080 + ... + 217273.

It is an arithmetic number, because the mean of its divisors is an integer number (10641673).

Almost surely, 2^42132241 is an apocalyptic number.

It is an amenable number.

42132241 is a deficient number, since it is larger than the sum of its proper divisors (434451).

42132241 is an equidigital number, since it uses as much as digits as its factorization.

42132241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434450.

The product of its digits is 384, while the sum is 19.

The square root of 42132241 is about 6490.9352947014. The cubic root of 42132241 is about 347.9671022982.

Adding to 42132241 its reverse (14223124), we get a palindrome (56355365).

The spelling of 42132241 in words is "forty-two million, one hundred thirty-two thousand, two hundred forty-one".