42432541 has 4 divisors (see below), whose sum is σ = 42474652. Its totient is φ = 42390432.

The previous prime is 42432503. The next prime is 42432557. The reversal of 42432541 is 14523424.

It is a happy number.

42432541 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 40373316 + 2059225 = 6354^2 + 1435^2 .

It is a cyclic number.

It is not a de Polignac number, because 42432541 - 2⁷ = 42432413 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 (42432041) 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, 19506 + ... + 21571.

It is an arithmetic number, because the mean of its divisors is an integer number (10618663).

Almost surely, 2^42432541 is an apocalyptic number.

It is an amenable number.

42432541 is a deficient number, since it is larger than the sum of its proper divisors (42111).

42432541 is a wasteful number, since it uses less digits than its factorization.

42432541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42110.

The product of its digits is 3840, while the sum is 25.

The square root of 42432541 is about 6514.0264813708. The cubic root of 42432541 is about 348.7918644690.

Adding to 42432541 its reverse (14523424), we get a palindrome (56955965).

The spelling of 42432541 in words is "forty-two million, four hundred thirty-two thousand, five hundred forty-one".