565114409 has 2 divisors, whose sum is σ = 565114410. Its totient is φ = 565114408.

The previous prime is 565114379. The next prime is 565114423. The reversal of 565114409 is 904411565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438776809 + 126337600 = 20947^2 + 11240^2 .

It is a cyclic number.

It is not a de Polignac number, because 565114409 - 2²⁰ = 564065833 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (565114009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282557204 + 282557205.

It is an arithmetic number, because the mean of its divisors is an integer number (282557205).

Almost surely, 2^565114409 is an apocalyptic number.

It is an amenable number.

565114409 is a deficient number, since it is larger than the sum of its proper divisors (1).

565114409 is an equidigital number, since it uses as much as digits as its factorization.

565114409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 565114409 is about 23772.1351375933. The cubic root of 565114409 is about 826.7587379204.

The spelling of 565114409 in words is "five hundred sixty-five million, one hundred fourteen thousand, four hundred nine".