42050901 has 8 divisors (see below), whose sum is σ = 56219680. Its totient is φ = 27958032.

The previous prime is 42050891. The next prime is 42050909. The reversal of 42050901 is 10905024.

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

It is not a de Polignac number, because 42050901 - 2¹⁰ = 42049877 is a prime.

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 (42050909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17671 + ... + 19908.

It is an arithmetic number, because the mean of its divisors is an integer number (7027460).

Almost surely, 2^42050901 is an apocalyptic number.

It is an amenable number.

42050901 is a deficient number, since it is larger than the sum of its proper divisors (14168779).

42050901 is a wasteful number, since it uses less digits than its factorization.

42050901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37955.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 42050901 is about 6484.6666066961. Note that the first 4 decimals coincide. The cubic root of 42050901 is about 347.7430309994.

Adding to 42050901 its reverse (10905024), we get a palindrome (52955925).

The spelling of 42050901 in words is "forty-two million, fifty thousand, nine hundred one".