513512245534241 has 2 divisors, whose sum is σ = 513512245534242. Its totient is φ = 513512245534240.

The previous prime is 513512245534199. The next prime is 513512245534331. The reversal of 513512245534241 is 142435542215315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259960125711841 + 253552119822400 = 16123279^2 + 15923320^2 .

It is a cyclic number.

It is not a de Polignac number, because 513512245534241 - 2²⁶ = 513512178425377 is a prime.

It is not a weakly prime, because it can be changed into another prime (513512242534241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256756122767120 + 256756122767121.

It is an arithmetic number, because the mean of its divisors is an integer number (256756122767121).

Almost surely, 2^{513512245534241} is an apocalyptic number.

It is an amenable number.

513512245534241 is a deficient number, since it is larger than the sum of its proper divisors (1).

513512245534241 is an equidigital number, since it uses as much as digits as its factorization.

513512245534241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880000, while the sum is 47.

Adding to 513512245534241 its reverse (142435542215315), we get a palindrome (655947787749556).

The spelling of 513512245534241 in words is "five hundred thirteen trillion, five hundred twelve billion, two hundred forty-five million, five hundred thirty-four thousand, two hundred forty-one".