42275539 has 2 divisors, whose sum is σ = 42275540. Its totient is φ = 42275538.

The previous prime is 42275521. The next prime is 42275561. The reversal of 42275539 is 93557224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42275539 - 2⁷ = 42275411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42275498 and 42275507.

It is not a weakly prime, because it can be changed into another prime (42275239) 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, 21137769 + 21137770.

It is an arithmetic number, because the mean of its divisors is an integer number (21137770).

Almost surely, 2^42275539 is an apocalyptic number.

42275539 is a deficient number, since it is larger than the sum of its proper divisors (1).

42275539 is an equidigital number, since it uses as much as digits as its factorization.

42275539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 42275539 is about 6501.9642416734. The cubic root of 42275539 is about 348.3611518015.

The spelling of 42275539 in words is "forty-two million, two hundred seventy-five thousand, five hundred thirty-nine".