531522133 has 2 divisors, whose sum is σ = 531522134. Its totient is φ = 531522132.

The previous prime is 531522049. The next prime is 531522149. The reversal of 531522133 is 331225135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 467554129 + 63968004 = 21623^2 + 7998^2 .

It is a cyclic number.

It is not a de Polignac number, because 531522133 - 2¹⁷ = 531391061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531522098 and 531522107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531523133) 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, 265761066 + 265761067.

It is an arithmetic number, because the mean of its divisors is an integer number (265761067).

Almost surely, 2^531522133 is an apocalyptic number.

It is an amenable number.

531522133 is a deficient number, since it is larger than the sum of its proper divisors (1).

531522133 is an equidigital number, since it uses as much as digits as its factorization.

531522133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 531522133 is about 23054.7637810497. The cubic root of 531522133 is about 810.0412177369.

Adding to 531522133 its reverse (331225135), we get a palindrome (862747268).

The spelling of 531522133 in words is "five hundred thirty-one million, five hundred twenty-two thousand, one hundred thirty-three".