205433201 has 2 divisors, whose sum is σ = 205433202. Its totient is φ = 205433200.

The previous prime is 205433197. The next prime is 205433237. The reversal of 205433201 is 102334502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134536801 + 70896400 = 11599^2 + 8420^2 .

It is a cyclic number.

It is not a de Polignac number, because 205433201 - 2² = 205433197 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (205438201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102716600 + 102716601.

It is an arithmetic number, because the mean of its divisors is an integer number (102716601).

Almost surely, 2^205433201 is an apocalyptic number.

It is an amenable number.

205433201 is a deficient number, since it is larger than the sum of its proper divisors (1).

205433201 is an equidigital number, since it uses as much as digits as its factorization.

205433201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 205433201 is about 14332.9411147887. The cubic root of 205433201 is about 590.0518971873.

Adding to 205433201 its reverse (102334502), we get a palindrome (307767703).

The spelling of 205433201 in words is "two hundred five million, four hundred thirty-three thousand, two hundred one".