42541191 has 96 divisors (see below), whose sum is σ = 85183488. Its totient is φ = 19768320.

The previous prime is 42541189. The next prime is 42541201. The reversal of 42541191 is 19114524.

It is not a de Polignac number, because 42541191 - 2¹ = 42541189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42541111) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 270885 + ... + 271041.

It is an arithmetic number, because the mean of its divisors is an integer number (887328).

Almost surely, 2^42541191 is an apocalyptic number.

42541191 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

42541191 is a wasteful number, since it uses less digits than its factorization.

42541191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 218 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 42541191 is about 6522.3608455834. The cubic root of 42541191 is about 349.0893086493.

It can be divided in two parts, 4254 and 1191, that added together give a palindrome (5445).

The spelling of 42541191 in words is "forty-two million, five hundred forty-one thousand, one hundred ninety-one".