42255611 has 2 divisors, whose sum is σ = 42255612. Its totient is φ = 42255610.

The previous prime is 42255593. The next prime is 42255617. The reversal of 42255611 is 11655224.

42255611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42255611 - 2⁶ = 42255547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42255617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21127805 + 21127806.

It is an arithmetic number, because the mean of its divisors is an integer number (21127806).

Almost surely, 2^42255611 is an apocalyptic number.

42255611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42255611 is an equidigital number, since it uses as much as digits as its factorization.

42255611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 42255611 is about 6500.4316010554. The cubic root of 42255611 is about 348.3064059423.

The spelling of 42255611 in words is "forty-two million, two hundred fifty-five thousand, six hundred eleven".