565442069 has 2 divisors, whose sum is σ = 565442070. Its totient is φ = 565442068.

The previous prime is 565442057. The next prime is 565442183. The reversal of 565442069 is 960244565.

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., 561073969 + 4368100 = 23687^2 + 2090^2 .

It is a cyclic number.

It is not a de Polignac number, because 565442069 - 2¹⁶ = 565376533 is a prime.

It is a super-2 number, since 2×565442069² = 639449466790001522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (565442569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282721034 + 282721035.

It is an arithmetic number, because the mean of its divisors is an integer number (282721035).

Almost surely, 2^565442069 is an apocalyptic number.

It is an amenable number.

565442069 is a deficient number, since it is larger than the sum of its proper divisors (1).

565442069 is an equidigital number, since it uses as much as digits as its factorization.

565442069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 565442069 is about 23779.0258210886. The cubic root of 565442069 is about 826.9184952040.

The spelling of 565442069 in words is "five hundred sixty-five million, four hundred forty-two thousand, sixty-nine".