520522241 has 2 divisors, whose sum is σ = 520522242. Its totient is φ = 520522240.

The previous prime is 520522199. The next prime is 520522259. The reversal of 520522241 is 142225025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471801841 + 48720400 = 21721^2 + 6980^2 .

It is a cyclic number.

It is not a de Polignac number, because 520522241 - 2²⁶ = 453413377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520522141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260261120 + 260261121.

It is an arithmetic number, because the mean of its divisors is an integer number (260261121).

Almost surely, 2^520522241 is an apocalyptic number.

It is an amenable number.

520522241 is a deficient number, since it is larger than the sum of its proper divisors (1).

520522241 is an equidigital number, since it uses as much as digits as its factorization.

520522241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 520522241 is about 22814.9565197920. The cubic root of 520522241 is about 804.4142652162.

Adding to 520522241 its reverse (142225025), we get a palindrome (662747266).

The spelling of 520522241 in words is "five hundred twenty million, five hundred twenty-two thousand, two hundred forty-one".