522534121 has 2 divisors, whose sum is σ = 522534122. Its totient is φ = 522534120.

The previous prime is 522534107. The next prime is 522534157. The reversal of 522534121 is 121435225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271755225 + 250778896 = 16485^2 + 15836^2 .

It is a cyclic number.

It is not a de Polignac number, because 522534121 - 2²⁷ = 388316393 is a prime.

It is not a weakly prime, because it can be changed into another prime (522534191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261267060 + 261267061.

It is an arithmetic number, because the mean of its divisors is an integer number (261267061).

Almost surely, 2^522534121 is an apocalyptic number.

It is an amenable number.

522534121 is a deficient number, since it is larger than the sum of its proper divisors (1).

522534121 is an equidigital number, since it uses as much as digits as its factorization.

522534121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 25.

The square root of 522534121 is about 22859.0052495729. The cubic root of 522534121 is about 805.4493182375.

Adding to 522534121 its reverse (121435225), we get a palindrome (643969346).

The spelling of 522534121 in words is "five hundred twenty-two million, five hundred thirty-four thousand, one hundred twenty-one".