534507209 has 2 divisors, whose sum is σ = 534507210. Its totient is φ = 534507208.

The previous prime is 534507203. The next prime is 534507223. The reversal of 534507209 is 902705435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518928400 + 15578809 = 22780^2 + 3947^2 .

It is a cyclic number.

It is not a de Polignac number, because 534507209 - 2⁸ = 534506953 is a prime.

It is not a weakly prime, because it can be changed into another prime (534507203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267253604 + 267253605.

It is an arithmetic number, because the mean of its divisors is an integer number (267253605).

Almost surely, 2^534507209 is an apocalyptic number.

It is an amenable number.

534507209 is a deficient number, since it is larger than the sum of its proper divisors (1).

534507209 is an equidigital number, since it uses as much as digits as its factorization.

534507209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 534507209 is about 23119.4119518642. The cubic root of 534507209 is about 811.5548091666.

The spelling of 534507209 in words is "five hundred thirty-four million, five hundred seven thousand, two hundred nine".