84541571 has 2 divisors, whose sum is σ = 84541572. Its totient is φ = 84541570.

The previous prime is 84541543. The next prime is 84541573. The reversal of 84541571 is 17514548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84541571 - 2¹⁴ = 84525187 is a prime.

Together with 84541573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (84541573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42270785 + 42270786.

It is an arithmetic number, because the mean of its divisors is an integer number (42270786).

Almost surely, 2^84541571 is an apocalyptic number.

84541571 is a deficient number, since it is larger than the sum of its proper divisors (1).

84541571 is an equidigital number, since it uses as much as digits as its factorization.

84541571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 35.

The square root of 84541571 is about 9194.6490416981. The cubic root of 84541571 is about 438.8910971160.

The spelling of 84541571 in words is "eighty-four million, five hundred forty-one thousand, five hundred seventy-one".