201329 has 2 divisors, whose sum is σ = 201330. Its totient is φ = 201328.

The previous prime is 201307. The next prime is 201337. The reversal of 201329 is 923102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200704 + 625 = 448^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 201329 - 2⁸ = 201073 is a prime.

It is not a weakly prime, because it can be changed into another prime (201359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100664 + 100665.

It is an arithmetic number, because the mean of its divisors is an integer number (100665).

2²⁰¹³²⁹ is an apocalyptic number.

It is an amenable number.

201329 is a deficient number, since it is larger than the sum of its proper divisors (1).

201329 is an equidigital number, since it uses as much as digits as its factorization.

201329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 201329 is about 448.6970024415. The cubic root of 201329 is about 58.6096028868.

The spelling of 201329 in words is "two hundred one thousand, three hundred twenty-nine".