566653897 has 2 divisors, whose sum is σ = 566653898. Its totient is φ = 566653896.

The previous prime is 566653889. The next prime is 566653909. The reversal of 566653897 is 798356665.

566653897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321700096 + 244953801 = 17936^2 + 15651^2 .

It is a cyclic number.

It is not a de Polignac number, because 566653897 - 2³ = 566653889 is a prime.

It is not a weakly prime, because it can be changed into another prime (566653837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283326948 + 283326949.

It is an arithmetic number, because the mean of its divisors is an integer number (283326949).

Almost surely, 2^566653897 is an apocalyptic number.

It is an amenable number.

566653897 is a deficient number, since it is larger than the sum of its proper divisors (1).

566653897 is an equidigital number, since it uses as much as digits as its factorization.

566653897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 55.

The square root of 566653897 is about 23804.4932103164. The cubic root of 566653897 is about 827.5088108882.

The spelling of 566653897 in words is "five hundred sixty-six million, six hundred fifty-three thousand, eight hundred ninety-seven".