505351522133 has 2 divisors, whose sum is σ = 505351522134. Its totient is φ = 505351522132.

The previous prime is 505351522129. The next prime is 505351522147. The reversal of 505351522133 is 331225153505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480085465924 + 25266056209 = 692882^2 + 158953^2 .

It is a cyclic number.

It is not a de Polignac number, because 505351522133 - 2² = 505351522129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505351522093 and 505351522102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505351524133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252675761066 + 252675761067.

It is an arithmetic number, because the mean of its divisors is an integer number (252675761067).

Almost surely, 2^505351522133 is an apocalyptic number.

It is an amenable number.

505351522133 is a deficient number, since it is larger than the sum of its proper divisors (1).

505351522133 is an equidigital number, since it uses as much as digits as its factorization.

505351522133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 35.

Adding to 505351522133 its reverse (331225153505), we get a palindrome (836576675638).

The spelling of 505351522133 in words is "five hundred five billion, three hundred fifty-one million, five hundred twenty-two thousand, one hundred thirty-three".