42084041 has 2 divisors, whose sum is σ = 42084042. Its totient is φ = 42084040.

The previous prime is 42084037. The next prime is 42084073. The reversal of 42084041 is 14048024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40691641 + 1392400 = 6379^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 42084041 - 2² = 42084037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42083998 and 42084016.

It is not a weakly prime, because it can be changed into another prime (42084001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21042020 + 21042021.

It is an arithmetic number, because the mean of its divisors is an integer number (21042021).

Almost surely, 2^42084041 is an apocalyptic number.

It is an amenable number.

42084041 is a deficient number, since it is larger than the sum of its proper divisors (1).

42084041 is an equidigital number, since it uses as much as digits as its factorization.

42084041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 42084041 is about 6487.2213620317. The cubic root of 42084041 is about 347.8343582379.

The spelling of 42084041 in words is "forty-two million, eighty-four thousand, forty-one".