200538641 has 2 divisors, whose sum is σ = 200538642. Its totient is φ = 200538640.

The previous prime is 200538629. The next prime is 200538643. The reversal of 200538641 is 146835002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199374400 + 1164241 = 14120^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 200538641 - 2¹⁸ = 200276497 is a prime.

Together with 200538643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200538643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100269320 + 100269321.

It is an arithmetic number, because the mean of its divisors is an integer number (100269321).

Almost surely, 2^200538641 is an apocalyptic number.

It is an amenable number.

200538641 is a deficient number, since it is larger than the sum of its proper divisors (1).

200538641 is an equidigital number, since it uses as much as digits as its factorization.

200538641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 200538641 is about 14161.1666539166. The cubic root of 200538641 is about 585.3280756497.

The spelling of 200538641 in words is "two hundred million, five hundred thirty-eight thousand, six hundred forty-one".