533135531 has 2 divisors, whose sum is σ = 533135532. Its totient is φ = 533135530.

The previous prime is 533135513. The next prime is 533135539. The reversal of 533135531 is 135531335.

Together with previous prime (533135513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 533135531 - 2⁶ = 533135467 is a prime.

It is a super-2 number, since 2×533135531² = 568466988829303922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 533135494 and 533135503.

It is not a weakly prime, because it can be changed into another prime (533135539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266567765 + 266567766.

It is an arithmetic number, because the mean of its divisors is an integer number (266567766).

Almost surely, 2^533135531 is an apocalyptic number.

533135531 is a deficient number, since it is larger than the sum of its proper divisors (1).

533135531 is an equidigital number, since it uses as much as digits as its factorization.

533135531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10125, while the sum is 29.

The square root of 533135531 is about 23089.7278242945. The cubic root of 533135531 is about 810.8599975340.

Adding to 533135531 its reverse (135531335), we get a palindrome (668666866).

The spelling of 533135531 in words is "five hundred thirty-three million, one hundred thirty-five thousand, five hundred thirty-one".