565469 has 2 divisors, whose sum is σ = 565470. Its totient is φ = 565468.

The previous prime is 565463. The next prime is 565483. The reversal of 565469 is 964565.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344569 + 220900 = 587^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 565469 - 2¹² = 561373 is a prime.

It is a super-2 number, since 2×565469² = 639510379922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282734 + 282735.

It is an arithmetic number, because the mean of its divisors is an integer number (282735).

2⁵⁶⁵⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

565469 is a deficient number, since it is larger than the sum of its proper divisors (1).

565469 is an equidigital number, since it uses as much as digits as its factorization.

565469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 565469 is about 751.9767283633. The cubic root of 565469 is about 82.6931623215.

Adding to 565469 its sum of digits (35), we get a square (565504 = 752²).

The spelling of 565469 in words is "five hundred sixty-five thousand, four hundred sixty-nine".