42436541 has 32 divisors (see below), whose sum is σ = 53568000. Its totient is φ = 32820480.

The previous prime is 42436529. The next prime is 42436549. The reversal of 42436541 is 14563424.

It is not a de Polignac number, because 42436541 - 2¹⁰ = 42435517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42436549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284735 + ... + 284883.

It is an arithmetic number, because the mean of its divisors is an integer number (1674000).

Almost surely, 2^42436541 is an apocalyptic number.

It is an amenable number.

42436541 is a deficient number, since it is larger than the sum of its proper divisors (11131459).

42436541 is a wasteful number, since it uses less digits than its factorization.

42436541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its digits is 11520, while the sum is 29.

The square root of 42436541 is about 6514.3335038974. Note that the first 3 decimals coincide. The cubic root of 42436541 is about 348.8028240108.

Adding to 42436541 its reverse (14563424), we get a palindrome (56999965).

The spelling of 42436541 in words is "forty-two million, four hundred thirty-six thousand, five hundred forty-one".