552325440521 has 2 divisors, whose sum is σ = 552325440522. Its totient is φ = 552325440520.

The previous prime is 552325440493. The next prime is 552325440529. The reversal of 552325440521 is 125044523255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 534413633296 + 17911807225 = 731036^2 + 133835^2 .

It is a cyclic number.

It is not a de Polignac number, because 552325440521 - 2¹⁴ = 552325424137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (552325440529) 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, 276162720260 + 276162720261.

It is an arithmetic number, because the mean of its divisors is an integer number (276162720261).

Almost surely, 2^552325440521 is an apocalyptic number.

It is an amenable number.

552325440521 is a deficient number, since it is larger than the sum of its proper divisors (1).

552325440521 is an equidigital number, since it uses as much as digits as its factorization.

552325440521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 552325440521 its reverse (125044523255), we get a palindrome (677369963776).

The spelling of 552325440521 in words is "five hundred fifty-two billion, three hundred twenty-five million, four hundred forty thousand, five hundred twenty-one".