566225281 has 2 divisors, whose sum is σ = 566225282. Its totient is φ = 566225280.

The previous prime is 566225279. The next prime is 566225329. The reversal of 566225281 is 182522665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355511025 + 210714256 = 18855^2 + 14516^2 .

It is a cyclic number.

It is not a de Polignac number, because 566225281 - 2¹ = 566225279 is a prime.

It is a super-2 number, since 2×566225281² = 641222137687057922, which contains 22 as substring.

Together with 566225279, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 566225281.

It is not a weakly prime, because it can be changed into another prime (566225221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283112640 + 283112641.

It is an arithmetic number, because the mean of its divisors is an integer number (283112641).

Almost surely, 2^566225281 is an apocalyptic number.

It is an amenable number.

566225281 is a deficient number, since it is larger than the sum of its proper divisors (1).

566225281 is an equidigital number, since it uses as much as digits as its factorization.

566225281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The square root of 566225281 is about 23795.4886690734. The cubic root of 566225281 is about 827.3001161963.

The spelling of 566225281 in words is "five hundred sixty-six million, two hundred twenty-five thousand, two hundred eighty-one".