42075559 has 2 divisors, whose sum is σ = 42075560. Its totient is φ = 42075558.

The previous prime is 42075511. The next prime is 42075569. The reversal of 42075559 is 95557024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42075559 - 2¹¹ = 42073511 is a prime.

It is equal to p_2551897 and since 42075559 and 2551897 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42075569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21037779 + 21037780.

It is an arithmetic number, because the mean of its divisors is an integer number (21037780).

Almost surely, 2^42075559 is an apocalyptic number.

42075559 is a deficient number, since it is larger than the sum of its proper divisors (1).

42075559 is an equidigital number, since it uses as much as digits as its factorization.

42075559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 42075559 is about 6486.5675823196. The cubic root of 42075559 is about 347.8109881021.

The spelling of 42075559 in words is "forty-two million, seventy-five thousand, five hundred fifty-nine".