523253135500061 has 2 divisors, whose sum is σ = 523253135500062. Its totient is φ = 523253135500060.

The previous prime is 523253135500033. The next prime is 523253135500111. The reversal of 523253135500061 is 160005531352325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363623328588100 + 159629806911961 = 19068910^2 + 12634469^2 .

It is a cyclic number.

It is not a de Polignac number, because 523253135500061 - 2¹⁰ = 523253135499037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 523253135499991 and 523253135500018.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523253135500021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261626567750030 + 261626567750031.

It is an arithmetic number, because the mean of its divisors is an integer number (261626567750031).

Almost surely, 2^{523253135500061} is an apocalyptic number.

It is an amenable number.

523253135500061 is a deficient number, since it is larger than the sum of its proper divisors (1).

523253135500061 is an equidigital number, since it uses as much as digits as its factorization.

523253135500061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405000, while the sum is 41.

Adding to 523253135500061 its reverse (160005531352325), we get a palindrome (683258666852386).

The spelling of 523253135500061 in words is "five hundred twenty-three trillion, two hundred fifty-three billion, one hundred thirty-five million, five hundred thousand, sixty-one".