533240009 has 2 divisors, whose sum is σ = 533240010. Its totient is φ = 533240008.

The previous prime is 533239999. The next prime is 533240017. The reversal of 533240009 is 900042335.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504990784 + 28249225 = 22472^2 + 5315^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-533240009 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 533240009.

It is not a weakly prime, because it can be changed into another prime (533240089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266620004 + 266620005.

It is an arithmetic number, because the mean of its divisors is an integer number (266620005).

Almost surely, 2^533240009 is an apocalyptic number.

It is an amenable number.

533240009 is a deficient number, since it is larger than the sum of its proper divisors (1).

533240009 is an equidigital number, since it uses as much as digits as its factorization.

533240009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 533240009 is about 23091.9901481011. The cubic root of 533240009 is about 810.9129618633.

The spelling of 533240009 in words is "five hundred thirty-three million, two hundred forty thousand, nine".