201711061 has 2 divisors, whose sum is σ = 201711062. Its totient is φ = 201711060.

The previous prime is 201711053. The next prime is 201711067. The reversal of 201711061 is 160117102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105062500 + 96648561 = 10250^2 + 9831^2 .

It is a cyclic number.

It is not a de Polignac number, because 201711061 - 2³ = 201711053 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201711067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100855530 + 100855531.

It is an arithmetic number, because the mean of its divisors is an integer number (100855531).

Almost surely, 2^201711061 is an apocalyptic number.

It is an amenable number.

201711061 is a deficient number, since it is larger than the sum of its proper divisors (1).

201711061 is an equidigital number, since it uses as much as digits as its factorization.

201711061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 201711061 is about 14202.5019274774. The cubic root of 201711061 is about 586.4665383945.

Adding to 201711061 its reverse (160117102), we get a palindrome (361828163).

The spelling of 201711061 in words is "two hundred one million, seven hundred eleven thousand, sixty-one".