564051409 has 2 divisors, whose sum is σ = 564051410. Its totient is φ = 564051408.

The previous prime is 564051401. The next prime is 564051427. The reversal of 564051409 is 904150465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325441600 + 238609809 = 18040^2 + 15447^2 .

It is a cyclic number.

It is not a de Polignac number, because 564051409 - 2³ = 564051401 is a prime.

It is not a weakly prime, because it can be changed into another prime (564051401) 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, 282025704 + 282025705.

It is an arithmetic number, because the mean of its divisors is an integer number (282025705).

Almost surely, 2^564051409 is an apocalyptic number.

It is an amenable number.

564051409 is a deficient number, since it is larger than the sum of its proper divisors (1).

564051409 is an equidigital number, since it uses as much as digits as its factorization.

564051409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 564051409 is about 23749.7665041154. The cubic root of 564051409 is about 826.2400251626.

The spelling of 564051409 in words is "five hundred sixty-four million, fifty-one thousand, four hundred nine".