200240321 has 2 divisors, whose sum is σ = 200240322. Its totient is φ = 200240320.

The previous prime is 200240317. The next prime is 200240333. The reversal of 200240321 is 123042002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111598096 + 88642225 = 10564^2 + 9415^2 .

It is a cyclic number.

It is not a de Polignac number, because 200240321 - 2² = 200240317 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 200240296 and 200240305.

It is not a weakly prime, because it can be changed into another prime (200240311) 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, 100120160 + 100120161.

It is an arithmetic number, because the mean of its divisors is an integer number (100120161).

Almost surely, 2^200240321 is an apocalyptic number.

It is an amenable number.

200240321 is a deficient number, since it is larger than the sum of its proper divisors (1).

200240321 is an equidigital number, since it uses as much as digits as its factorization.

200240321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 200240321 is about 14150.6297033030. The cubic root of 200240321 is about 585.0376881751.

Adding to 200240321 its reverse (123042002), we get a palindrome (323282323).

The spelling of 200240321 in words is "two hundred million, two hundred forty thousand, three hundred twenty-one".