572541209 has 2 divisors, whose sum is σ = 572541210. Its totient is φ = 572541208.

The previous prime is 572541187. The next prime is 572541223. The reversal of 572541209 is 902145275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505350400 + 67190809 = 22480^2 + 8197^2 .

It is a cyclic number.

It is not a de Polignac number, because 572541209 - 2²⁰ = 571492633 is a prime.

It is not a weakly prime, because it can be changed into another prime (572541289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286270604 + 286270605.

It is an arithmetic number, because the mean of its divisors is an integer number (286270605).

Almost surely, 2^572541209 is an apocalyptic number.

It is an amenable number.

572541209 is a deficient number, since it is larger than the sum of its proper divisors (1).

572541209 is an equidigital number, since it uses as much as digits as its factorization.

572541209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 572541209 is about 23927.8333536491. The cubic root of 572541209 is about 830.3647736162.

The spelling of 572541209 in words is "five hundred seventy-two million, five hundred forty-one thousand, two hundred nine".