565049 has 2 divisors, whose sum is σ = 565050. Its totient is φ = 565048.

The previous prime is 565039. The next prime is 565057. The reversal of 565049 is 940565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 511225 + 53824 = 715^2 + 232^2 .

It is a cyclic number.

It is not a de Polignac number, because 565049 - 2⁸ = 564793 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 (565039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282524 + 282525.

It is an arithmetic number, because the mean of its divisors is an integer number (282525).

2⁵⁶⁵⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

565049 is a deficient number, since it is larger than the sum of its proper divisors (1).

565049 is an equidigital number, since it uses as much as digits as its factorization.

565049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 565049 is about 751.6974125271. The cubic root of 565049 is about 82.6726839041.

It can be divided in two parts, 56504 and 9, that multiplied together give a triangular number (508536 = T₁₀₀₈).

The spelling of 565049 in words is "five hundred sixty-five thousand, forty-nine".