522540133 has 2 divisors, whose sum is σ = 522540134. Its totient is φ = 522540132.

The previous prime is 522540131. The next prime is 522540149. The reversal of 522540133 is 331045225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 510443649 + 12096484 = 22593^2 + 3478^2 .

It is a cyclic number.

It is not a de Polignac number, because 522540133 - 2¹ = 522540131 is a prime.

Together with 522540131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 522540098 and 522540107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (522540131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261270066 + 261270067.

It is an arithmetic number, because the mean of its divisors is an integer number (261270067).

Almost surely, 2^522540133 is an apocalyptic number.

It is an amenable number.

522540133 is a deficient number, since it is larger than the sum of its proper divisors (1).

522540133 is an equidigital number, since it uses as much as digits as its factorization.

522540133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 522540133 is about 22859.1367509799. The cubic root of 522540133 is about 805.4524072496.

Adding to 522540133 its reverse (331045225), we get a palindrome (853585358).

The spelling of 522540133 in words is "five hundred twenty-two million, five hundred forty thousand, one hundred thirty-three".