532806409 has 2 divisors, whose sum is σ = 532806410. Its totient is φ = 532806408.

The previous prime is 532806389. The next prime is 532806419. The reversal of 532806409 is 904608235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388878400 + 143928009 = 19720^2 + 11997^2 .

It is a cyclic number.

It is not a de Polignac number, because 532806409 - 2¹⁵ = 532773641 is a prime.

It is not a weakly prime, because it can be changed into another prime (532806419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266403204 + 266403205.

It is an arithmetic number, because the mean of its divisors is an integer number (266403205).

Almost surely, 2^532806409 is an apocalyptic number.

It is an amenable number.

532806409 is a deficient number, since it is larger than the sum of its proper divisors (1).

532806409 is an equidigital number, since it uses as much as digits as its factorization.

532806409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 532806409 is about 23082.5997019400. The cubic root of 532806409 is about 810.6931063881.

The spelling of 532806409 in words is "five hundred thirty-two million, eight hundred six thousand, four hundred nine".