42058591 has 2 divisors, whose sum is σ = 42058592. Its totient is φ = 42058590.

The previous prime is 42058553. The next prime is 42058607. The reversal of 42058591 is 19585024.

42058591 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 42058591 - 2¹¹ = 42056543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42058501) 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, 21029295 + 21029296.

It is an arithmetic number, because the mean of its divisors is an integer number (21029296).

Almost surely, 2^42058591 is an apocalyptic number.

42058591 is a deficient number, since it is larger than the sum of its proper divisors (1).

42058591 is an equidigital number, since it uses as much as digits as its factorization.

42058591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 42058591 is about 6485.2595167811. The cubic root of 42058591 is about 347.7642273816.

The spelling of 42058591 in words is "forty-two million, fifty-eight thousand, five hundred ninety-one".