52445413513 has 2 divisors, whose sum is σ = 52445413514. Its totient is φ = 52445413512.

The previous prime is 52445413477. The next prime is 52445413519. The reversal of 52445413513 is 31531454425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49572131904 + 2873281609 = 222648^2 + 53603^2 .

It is a cyclic number.

It is not a de Polignac number, because 52445413513 - 2¹³ = 52445405321 is a prime.

It is not a weakly prime, because it can be changed into another prime (52445413519) 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, 26222706756 + 26222706757.

It is an arithmetic number, because the mean of its divisors is an integer number (26222706757).

Almost surely, 2^52445413513 is an apocalyptic number.

It is an amenable number.

52445413513 is a deficient number, since it is larger than the sum of its proper divisors (1).

52445413513 is an equidigital number, since it uses as much as digits as its factorization.

52445413513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 37.

Adding to 52445413513 its reverse (31531454425), we get a palindrome (83976867938).

The spelling of 52445413513 in words is "fifty-two billion, four hundred forty-five million, four hundred thirteen thousand, five hundred thirteen".