513226260061 has 2 divisors, whose sum is σ = 513226260062. Its totient is φ = 513226260060.

The previous prime is 513226260013. The next prime is 513226260077. The reversal of 513226260061 is 160062622315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478180548036 + 35045712025 = 691506^2 + 187205^2 .

It is a cyclic number.

It is not a de Polignac number, because 513226260061 - 2⁷ = 513226259933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 513226259999 and 513226260026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513226260661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256613130030 + 256613130031.

It is an arithmetic number, because the mean of its divisors is an integer number (256613130031).

Almost surely, 2^513226260061 is an apocalyptic number.

It is an amenable number.

513226260061 is a deficient number, since it is larger than the sum of its proper divisors (1).

513226260061 is an equidigital number, since it uses as much as digits as its factorization.

513226260061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 513226260061 its reverse (160062622315), we get a palindrome (673288882376).

The spelling of 513226260061 in words is "five hundred thirteen billion, two hundred twenty-six million, two hundred sixty thousand, sixty-one".