201288671 has 2 divisors, whose sum is σ = 201288672. Its totient is φ = 201288670.

The previous prime is 201288643. The next prime is 201288691. The reversal of 201288671 is 176882102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201288671 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 (201288691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100644335 + 100644336.

It is an arithmetic number, because the mean of its divisors is an integer number (100644336).

Almost surely, 2^201288671 is an apocalyptic number.

201288671 is a deficient number, since it is larger than the sum of its proper divisors (1).

201288671 is an equidigital number, since it uses as much as digits as its factorization.

201288671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 201288671 is about 14187.6238673007. The cubic root of 201288671 is about 586.0568918583.

The spelling of 201288671 in words is "two hundred one million, two hundred eighty-eight thousand, six hundred seventy-one".