200771 has 2 divisors, whose sum is σ = 200772. Its totient is φ = 200770.

The previous prime is 200731. The next prime is 200779. The reversal of 200771 is 177002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200779) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100385 + 100386.

It is an arithmetic number, because the mean of its divisors is an integer number (100386).

2²⁰⁰⁷⁷¹ is an apocalyptic number.

200771 is a deficient number, since it is larger than the sum of its proper divisors (1).

200771 is an equidigital number, since it uses as much as digits as its factorization.

200771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 200771 is about 448.0747705462. The cubic root of 200771 is about 58.5554056622. Note that the first 3 decimals are identical.

Adding to 200771 its reverse (177002), we get a palindrome (377773).

The spelling of 200771 in words is "two hundred thousand, seven hundred seventy-one", and thus it is an iban number.