42857093 has 2 divisors, whose sum is σ = 42857094. Its totient is φ = 42857092.

The previous prime is 42857077. The next prime is 42857147. The reversal of 42857093 is 39075824.

42857093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41705764 + 1151329 = 6458^2 + 1073^2 .

It is a cyclic number.

It is not a de Polignac number, because 42857093 - 2⁴ = 42857077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42857033) 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, 21428546 + 21428547.

It is an arithmetic number, because the mean of its divisors is an integer number (21428547).

Almost surely, 2^42857093 is an apocalyptic number.

It is an amenable number.

42857093 is a deficient number, since it is larger than the sum of its proper divisors (1).

42857093 is an equidigital number, since it uses as much as digits as its factorization.

42857093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 42857093 is about 6546.5328991765. The cubic root of 42857093 is about 349.9512666842.

The spelling of 42857093 in words is "forty-two million, eight hundred fifty-seven thousand, ninety-three".