42541189 has 2 divisors, whose sum is σ = 42541190. Its totient is φ = 42541188.

The previous prime is 42541151. The next prime is 42541201. The reversal of 42541189 is 98114524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40424164 + 2117025 = 6358^2 + 1455^2 .

It is a cyclic number.

It is not a de Polignac number, because 42541189 - 2¹⁵ = 42508421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42548189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21270594 + 21270595.

It is an arithmetic number, because the mean of its divisors is an integer number (21270595).

Almost surely, 2^42541189 is an apocalyptic number.

It is an amenable number.

42541189 is a deficient number, since it is larger than the sum of its proper divisors (1).

42541189 is an equidigital number, since it uses as much as digits as its factorization.

42541189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 42541189 is about 6522.3606922647. The cubic root of 42541189 is about 349.0893031787.

It can be divided in two parts, 425 and 41189, that added together give a palindrome (41614).

The spelling of 42541189 in words is "forty-two million, five hundred forty-one thousand, one hundred eighty-nine".