42133241 has 4 divisors (see below), whose sum is σ = 44350800. Its totient is φ = 39915684.

The previous prime is 42133237. The next prime is 42133253. The reversal of 42133241 is 14233124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42133241 - 2² = 42133237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42133271) 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, 1108751 + ... + 1108788.

It is an arithmetic number, because the mean of its divisors is an integer number (11087700).

Almost surely, 2^42133241 is an apocalyptic number.

It is an amenable number.

42133241 is a deficient number, since it is larger than the sum of its proper divisors (2217559).

42133241 is a wasteful number, since it uses less digits than its factorization.

42133241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217558.

The product of its digits is 576, while the sum is 20.

The square root of 42133241 is about 6491.0123247457. The cubic root of 42133241 is about 347.9698552521.

Adding to 42133241 its reverse (14233124), we get a palindrome (56366365).

The spelling of 42133241 in words is "forty-two million, one hundred thirty-three thousand, two hundred forty-one".