520734241 has 2 divisors, whose sum is σ = 520734242. Its totient is φ = 520734240.

The previous prime is 520734229. The next prime is 520734323. The reversal of 520734241 is 142437025.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 513974241 + 6760000 = 22671^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 520734241 - 2⁹ = 520733729 is a prime.

It is not a weakly prime, because it can be changed into another prime (520734211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260367120 + 260367121.

It is an arithmetic number, because the mean of its divisors is an integer number (260367121).

Almost surely, 2^520734241 is an apocalyptic number.

It is an amenable number.

520734241 is a deficient number, since it is larger than the sum of its proper divisors (1).

520734241 is an equidigital number, since it uses as much as digits as its factorization.

520734241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 520734241 is about 22819.6021218601. The cubic root of 520734241 is about 804.5234585505.

The spelling of 520734241 in words is "five hundred twenty million, seven hundred thirty-four thousand, two hundred forty-one".