42580771 has 2 divisors, whose sum is σ = 42580772. Its totient is φ = 42580770.

The previous prime is 42580739. The next prime is 42580777. The reversal of 42580771 is 17708524.

It is a happy number.

42580771 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 42580771 - 2⁵ = 42580739 is a prime.

It is not a weakly prime, because it can be changed into another prime (42580777) 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, 21290385 + 21290386.

It is an arithmetic number, because the mean of its divisors is an integer number (21290386).

Almost surely, 2^42580771 is an apocalyptic number.

42580771 is a deficient number, since it is larger than the sum of its proper divisors (1).

42580771 is an equidigital number, since it uses as much as digits as its factorization.

42580771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 42580771 is about 6525.3943175873. The cubic root of 42580771 is about 349.1975384352.

The spelling of 42580771 in words is "forty-two million, five hundred eighty thousand, seven hundred seventy-one".