201201289 has 2 divisors, whose sum is σ = 201201290. Its totient is φ = 201201288.

The previous prime is 201201283. The next prime is 201201331. The reversal of 201201289 is 982102102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179345664 + 21855625 = 13392^2 + 4675^2 .

It is a cyclic number.

It is not a de Polignac number, because 201201289 - 2³ = 201201281 is a prime.

It is not a weakly prime, because it can be changed into another prime (201201281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600644 + 100600645.

It is an arithmetic number, because the mean of its divisors is an integer number (100600645).

Almost surely, 2^201201289 is an apocalyptic number.

It is an amenable number.

201201289 is a deficient number, since it is larger than the sum of its proper divisors (1).

201201289 is an equidigital number, since it uses as much as digits as its factorization.

201201289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 201201289 is about 14184.5440180501. The cubic root of 201201289 is about 585.9720746399.

The spelling of 201201289 in words is "two hundred one million, two hundred one thousand, two hundred eighty-nine".