42085411 has 2 divisors, whose sum is σ = 42085412. Its totient is φ = 42085410.

The previous prime is 42085403. The next prime is 42085429. The reversal of 42085411 is 11458024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42085411 - 2³ = 42085403 is a prime.

It is not a weakly prime, because it can be changed into another prime (42085451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21042705 + 21042706.

It is an arithmetic number, because the mean of its divisors is an integer number (21042706).

Almost surely, 2^42085411 is an apocalyptic number.

42085411 is a deficient number, since it is larger than the sum of its proper divisors (1).

42085411 is an equidigital number, since it uses as much as digits as its factorization.

42085411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 42085411 is about 6487.3269533761. The cubic root of 42085411 is about 347.8381326528.

The spelling of 42085411 in words is "forty-two million, eighty-five thousand, four hundred eleven".