533421569 has 2 divisors, whose sum is σ = 533421570. Its totient is φ = 533421568.

The previous prime is 533421541. The next prime is 533421571. The reversal of 533421569 is 965124335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381811600 + 151609969 = 19540^2 + 12313^2 .

It is a cyclic number.

It is not a de Polignac number, because 533421569 - 2¹² = 533417473 is a prime.

It is a super-2 number, since 2×533421569² = 569077140548843522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 533421571, 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 (533421169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266710784 + 266710785.

It is an arithmetic number, because the mean of its divisors is an integer number (266710785).

Almost surely, 2^533421569 is an apocalyptic number.

It is an amenable number.

533421569 is a deficient number, since it is larger than the sum of its proper divisors (1).

533421569 is an equidigital number, since it uses as much as digits as its factorization.

533421569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 38.

The square root of 533421569 is about 23095.9210467996. The cubic root of 533421569 is about 811.0049858727.

The spelling of 533421569 in words is "five hundred thirty-three million, four hundred twenty-one thousand, five hundred sixty-nine".