42434141 has 2 divisors, whose sum is σ = 42434142. Its totient is φ = 42434140.

The previous prime is 42434137. The next prime is 42434173. The reversal of 42434141 is 14143424.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27772900 + 14661241 = 5270^2 + 3829^2 .

It is a cyclic number.

It is not a de Polignac number, because 42434141 - 2² = 42434137 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42434341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21217070 + 21217071.

It is an arithmetic number, because the mean of its divisors is an integer number (21217071).

Almost surely, 2^42434141 is an apocalyptic number.

It is an amenable number.

42434141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42434141 is an equidigital number, since it uses as much as digits as its factorization.

42434141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 23.

The square root of 42434141 is about 6514.1492921179. The cubic root of 42434141 is about 348.7962483683.

Adding to 42434141 its reverse (14143424), we get a palindrome (56577565).

The spelling of 42434141 in words is "forty-two million, four hundred thirty-four thousand, one hundred forty-one".