533081369 has 2 divisors, whose sum is σ = 533081370. Its totient is φ = 533081368.

The previous prime is 533081317. The next prime is 533081371. The reversal of 533081369 is 963180335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398521369 + 134560000 = 19963^2 + 11600^2 .

It is a cyclic number.

It is not a de Polignac number, because 533081369 - 2²⁰ = 532032793 is a prime.

It is a super-2 number, since 2×533081369² = 568351491949828322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 533081371, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (533081569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266540684 + 266540685.

It is an arithmetic number, because the mean of its divisors is an integer number (266540685).

Almost surely, 2^533081369 is an apocalyptic number.

It is an amenable number.

533081369 is a deficient number, since it is larger than the sum of its proper divisors (1).

533081369 is an equidigital number, since it uses as much as digits as its factorization.

533081369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 533081369 is about 23088.5549352921. The cubic root of 533081369 is about 810.8325377957.

The spelling of 533081369 in words is "five hundred thirty-three million, eighty-one thousand, three hundred sixty-nine".