42001541 has 8 divisors (see below), whose sum is σ = 44064000. Its totient is φ = 39980080.

The previous prime is 42001529. The next prime is 42001573. The reversal of 42001541 is 14510024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42001541 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 (42001501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8141 + ... + 12258.

It is an arithmetic number, because the mean of its divisors is an integer number (5508000).

Almost surely, 2^42001541 is an apocalyptic number.

It is an amenable number.

42001541 is a deficient number, since it is larger than the sum of its proper divisors (2062459).

42001541 is a wasteful number, since it uses less digits than its factorization.

42001541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20499.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 42001541 is about 6480.8595880485. The cubic root of 42001541 is about 347.6069156724.

Adding to 42001541 its reverse (14510024), we get a palindrome (56511565).

The spelling of 42001541 in words is "forty-two million, one thousand, five hundred forty-one".