42771343 has 2 divisors, whose sum is σ = 42771344. Its totient is φ = 42771342.

The previous prime is 42771341. The next prime is 42771349. The reversal of 42771343 is 34317724.

42771343 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 is a cyclic number.

It is not a de Polignac number, because 42771343 - 2¹ = 42771341 is a prime.

Together with 42771341, it forms a pair of twin primes.

It is equal to p_2591590 and since 42771343 and 2591590 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42771341) 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, 21385671 + 21385672.

It is an arithmetic number, because the mean of its divisors is an integer number (21385672).

Almost surely, 2^42771343 is an apocalyptic number.

42771343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42771343 is an equidigital number, since it uses as much as digits as its factorization.

42771343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 31.

The square root of 42771343 is about 6539.9803516524. The cubic root of 42771343 is about 349.7177125223.

The spelling of 42771343 in words is "forty-two million, seven hundred seventy-one thousand, three hundred forty-three".