532799809 has 2 divisors, whose sum is σ = 532799810. Its totient is φ = 532799808.

The previous prime is 532799783. The next prime is 532799819. The reversal of 532799809 is 908997235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471020209 + 61779600 = 21703^2 + 7860^2 .

It is a cyclic number.

It is not a de Polignac number, because 532799809 - 2²¹ = 530702657 is a prime.

It is not a weakly prime, because it can be changed into another prime (532799819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266399904 + 266399905.

It is an arithmetic number, because the mean of its divisors is an integer number (266399905).

Almost surely, 2^532799809 is an apocalyptic number.

It is an amenable number.

532799809 is a deficient number, since it is larger than the sum of its proper divisors (1).

532799809 is an equidigital number, since it uses as much as digits as its factorization.

532799809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 532799809 is about 23082.4567366648. The cubic root of 532799809 is about 810.6897589580.

The spelling of 532799809 in words is "five hundred thirty-two million, seven hundred ninety-nine thousand, eight hundred nine".