200521441 has 2 divisors, whose sum is σ = 200521442. Its totient is φ = 200521440.

The previous prime is 200521417. The next prime is 200521469. The reversal of 200521441 is 144125002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199374400 + 1147041 = 14120^2 + 1071^2 .

It is a cyclic number.

It is not a de Polignac number, because 200521441 - 2¹⁹ = 199997153 is a prime.

It is not a weakly prime, because it can be changed into another prime (200521141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100260720 + 100260721.

It is an arithmetic number, because the mean of its divisors is an integer number (100260721).

Almost surely, 2^200521441 is an apocalyptic number.

It is an amenable number.

200521441 is a deficient number, since it is larger than the sum of its proper divisors (1).

200521441 is an equidigital number, since it uses as much as digits as its factorization.

200521441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 200521441 is about 14160.5593462970. The cubic root of 200521441 is about 585.3113408354.

Adding to 200521441 its reverse (144125002), we get a palindrome (344646443).

The spelling of 200521441 in words is "two hundred million, five hundred twenty-one thousand, four hundred forty-one".