42237541 has 4 divisors (see below), whose sum is σ = 42419052. Its totient is φ = 42056032.

The previous prime is 42237523. The next prime is 42237557. The reversal of 42237541 is 14573224.

42237541 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 can be written as a sum of positive squares in 2 ways, for example, as 11390625 + 30846916 = 3375^2 + 5554^2 .

It is a cyclic number.

It is not a de Polignac number, because 42237541 - 2¹¹ = 42235493 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 (42237521) 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, 90406 + ... + 90871.

It is an arithmetic number, because the mean of its divisors is an integer number (10604763).

Almost surely, 2^42237541 is an apocalyptic number.

It is an amenable number.

42237541 is a deficient number, since it is larger than the sum of its proper divisors (181511).

42237541 is a wasteful number, since it uses less digits than its factorization.

42237541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181510.

The product of its digits is 6720, while the sum is 28.

The square root of 42237541 is about 6499.0415447203. The cubic root of 42237541 is about 348.2567494668.

It can be divided in two parts, 42237 and 541, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42237541 in words is "forty-two million, two hundred thirty-seven thousand, five hundred forty-one".