3254561809 has 2 divisors, whose sum is σ = 3254561810. Its totient is φ = 3254561808.

The previous prime is 3254561789. The next prime is 3254561833. The reversal of 3254561809 is 9081654523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1918440000 + 1336121809 = 43800^2 + 36553^2 .

It is a cyclic number.

It is not a de Polignac number, because 3254561809 - 2⁵ = 3254561777 is a prime.

It is not a weakly prime, because it can be changed into another prime (3254561839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1627280904 + 1627280905.

It is an arithmetic number, because the mean of its divisors is an integer number (1627280905).

Almost surely, 2^3254561809 is an apocalyptic number.

It is an amenable number.

3254561809 is a deficient number, since it is larger than the sum of its proper divisors (1).

3254561809 is an equidigital number, since it uses as much as digits as its factorization.

3254561809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 3254561809 is about 57048.7669367183. The cubic root of 3254561809 is about 1481.9407533366.

The spelling of 3254561809 in words is "three billion, two hundred fifty-four million, five hundred sixty-one thousand, eight hundred nine".