200801729 has 2 divisors, whose sum is σ = 200801730. Its totient is φ = 200801728.

The previous prime is 200801681. The next prime is 200801749. The reversal of 200801729 is 927108002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107640625 + 93161104 = 10375^2 + 9652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200801729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200801749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100400864 + 100400865.

It is an arithmetic number, because the mean of its divisors is an integer number (100400865).

Almost surely, 2^200801729 is an apocalyptic number.

It is an amenable number.

200801729 is a deficient number, since it is larger than the sum of its proper divisors (1).

200801729 is an equidigital number, since it uses as much as digits as its factorization.

200801729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 200801729 is about 14170.4526744914. The cubic root of 200801729 is about 585.5839290846.

The spelling of 200801729 in words is "two hundred million, eight hundred one thousand, seven hundred twenty-nine".