566247769 has 2 divisors, whose sum is σ = 566247770. Its totient is φ = 566247768.

The previous prime is 566247763. The next prime is 566247797. The reversal of 566247769 is 967742665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437311744 + 128936025 = 20912^2 + 11355^2 .

It is a cyclic number.

It is not a de Polignac number, because 566247769 - 2⁹ = 566247257 is a prime.

It is a super-2 number, since 2×566247769² = 641273071794954722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (566247763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283123884 + 283123885.

It is an arithmetic number, because the mean of its divisors is an integer number (283123885).

Almost surely, 2^566247769 is an apocalyptic number.

It is an amenable number.

566247769 is a deficient number, since it is larger than the sum of its proper divisors (1).

566247769 is an equidigital number, since it uses as much as digits as its factorization.

566247769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 52.

The square root of 566247769 is about 23795.9611909248. The cubic root of 566247769 is about 827.3110683027.

The spelling of 566247769 in words is "five hundred sixty-six million, two hundred forty-seven thousand, seven hundred sixty-nine".