42111341 has 2 divisors, whose sum is σ = 42111342. Its totient is φ = 42111340.

The previous prime is 42111313. The next prime is 42111343. The reversal of 42111341 is 14311124.

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., 39375625 + 2735716 = 6275^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 42111341 - 2¹⁴ = 42094957 is a prime.

It is a Sophie Germain prime.

Together with 42111343, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42111343) 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 as a sum of consecutive naturals, namely, 21055670 + 21055671.

It is an arithmetic number, because the mean of its divisors is an integer number (21055671).

Almost surely, 2^42111341 is an apocalyptic number.

It is an amenable number.

42111341 is a deficient number, since it is larger than the sum of its proper divisors (1).

42111341 is an equidigital number, since it uses as much as digits as its factorization.

42111341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 17.

The square root of 42111341 is about 6489.3251575183. The cubic root of 42111341 is about 347.9095555903.

Adding to 42111341 its reverse (14311124), we get a palindrome (56422465).

The spelling of 42111341 in words is "forty-two million, one hundred eleven thousand, three hundred forty-one".