523522133 has 2 divisors, whose sum is σ = 523522134. Its totient is φ = 523522132.

The previous prime is 523522099. The next prime is 523522171. The reversal of 523522133 is 331225325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487438084 + 36084049 = 22078^2 + 6007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523522133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523522193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261761066 + 261761067.

It is an arithmetic number, because the mean of its divisors is an integer number (261761067).

Almost surely, 2^523522133 is an apocalyptic number.

It is an amenable number.

523522133 is a deficient number, since it is larger than the sum of its proper divisors (1).

523522133 is an equidigital number, since it uses as much as digits as its factorization.

523522133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 26.

The square root of 523522133 is about 22880.6060452952. The cubic root of 523522133 is about 805.9566487776.

Adding to 523522133 its reverse (331225325), we get a palindrome (854747458).

The spelling of 523522133 in words is "five hundred twenty-three million, five hundred twenty-two thousand, one hundred thirty-three".