42051541 has 8 divisors (see below), whose sum is σ = 50588480. Its totient is φ = 34147008.

The previous prime is 42051539. The next prime is 42051547. The reversal of 42051541 is 14515024.

42051541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42051541 - 2¹ = 42051539 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 (42051547) 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 7 ways as a sum of consecutive naturals, for example, 157956 + ... + 158221.

It is an arithmetic number, because the mean of its divisors is an integer number (6323560).

Almost surely, 2^42051541 is an apocalyptic number.

It is an amenable number.

42051541 is a deficient number, since it is larger than the sum of its proper divisors (8536939).

42051541 is a wasteful number, since it uses less digits than its factorization.

42051541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316203.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 42051541 is about 6484.7159536868. The cubic root of 42051541 is about 347.7447951662.

Adding to 42051541 its reverse (14515024), we get a palindrome (56566565).

The spelling of 42051541 in words is "forty-two million, fifty-one thousand, five hundred forty-one".