385571 has 2 divisors, whose sum is σ = 385572. Its totient is φ = 385570.

The previous prime is 385559. The next prime is 385573. The reversal of 385571 is 175583.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 385571 - 2¹⁰ = 384547 is a prime.

It is a Sophie Germain prime.

Together with 385573, 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 (385573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192785 + 192786.

It is an arithmetic number, because the mean of its divisors is an integer number (192786).

2³⁸⁵⁵⁷¹ is an apocalyptic number.

385571 is a deficient number, since it is larger than the sum of its proper divisors (1).

385571 is an equidigital number, since it uses as much as digits as its factorization.

385571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 385571 is about 620.9436367336. The cubic root of 385571 is about 72.7838102509.

The spelling of 385571 in words is "three hundred eighty-five thousand, five hundred seventy-one".