513444225455041 has 2 divisors, whose sum is σ = 513444225455042. Its totient is φ = 513444225455040.

The previous prime is 513444225454973. The next prime is 513444225455099. The reversal of 513444225455041 is 140554522444315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504927190242225 + 8517035212816 = 22470585^2 + 2918396^2 .

It is a cyclic number.

It is not a de Polignac number, because 513444225455041 - 2⁷ = 513444225454913 is a prime.

It is not a weakly prime, because it can be changed into another prime (513444225455741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256722112727520 + 256722112727521.

It is an arithmetic number, because the mean of its divisors is an integer number (256722112727521).

Almost surely, 2^{513444225455041} is an apocalyptic number.

It is an amenable number.

513444225455041 is a deficient number, since it is larger than the sum of its proper divisors (1).

513444225455041 is an equidigital number, since it uses as much as digits as its factorization.

513444225455041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680000, while the sum is 49.

Adding to 513444225455041 its reverse (140554522444315), we get a palindrome (653998747899356).

The spelling of 513444225455041 in words is "five hundred thirteen trillion, four hundred forty-four billion, two hundred twenty-five million, four hundred fifty-five thousand, forty-one".