201351289 has 2 divisors, whose sum is σ = 201351290. Its totient is φ = 201351288.

The previous prime is 201351259. The next prime is 201351331. The reversal of 201351289 is 982153102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117939600 + 83411689 = 10860^2 + 9133^2 .

It is a cyclic number.

It is not a de Polignac number, because 201351289 - 2²³ = 192962681 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201351289.

It is not a weakly prime, because it can be changed into another prime (201351239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100675644 + 100675645.

It is an arithmetic number, because the mean of its divisors is an integer number (100675645).

Almost surely, 2^201351289 is an apocalyptic number.

It is an amenable number.

201351289 is a deficient number, since it is larger than the sum of its proper divisors (1).

201351289 is an equidigital number, since it uses as much as digits as its factorization.

201351289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 201351289 is about 14189.8304781981. The cubic root of 201351289 is about 586.1176568375.

The spelling of 201351289 in words is "two hundred one million, three hundred fifty-one thousand, two hundred eighty-nine".