42000541 has 4 divisors (see below), whose sum is σ = 45818784. Its totient is φ = 38182300.

The previous prime is 42000529. The next prime is 42000559. The reversal of 42000541 is 14500024.

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 42000541 - 2⁹ = 42000029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000521) 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, 1909105 + ... + 1909126.

It is an arithmetic number, because the mean of its divisors is an integer number (11454696).

Almost surely, 2^42000541 is an apocalyptic number.

It is an amenable number.

42000541 is a deficient number, since it is larger than the sum of its proper divisors (3818243).

42000541 is a wasteful number, since it uses less digits than its factorization.

42000541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818242.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 42000541 is about 6480.7824373296. The cubic root of 42000541 is about 347.6041569667.

Adding to 42000541 its reverse (14500024), we get a palindrome (56500565).

The spelling of 42000541 in words is "forty-two million, five hundred forty-one", and thus it is an aban number.