566331449 has 2 divisors, whose sum is σ = 566331450. Its totient is φ = 566331448.

The previous prime is 566331433. The next prime is 566331473. The reversal of 566331449 is 944133665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544382224 + 21949225 = 23332^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 566331449 - 2⁴ = 566331433 is a prime.

It is not a weakly prime, because it can be changed into another prime (566331949) 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, 283165724 + 283165725.

It is an arithmetic number, because the mean of its divisors is an integer number (283165725).

Almost surely, 2^566331449 is an apocalyptic number.

It is an amenable number.

566331449 is a deficient number, since it is larger than the sum of its proper divisors (1).

566331449 is an equidigital number, since it uses as much as digits as its factorization.

566331449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 41.

The square root of 566331449 is about 23797.7194075399. The cubic root of 566331449 is about 827.3518195922.

The spelling of 566331449 in words is "five hundred sixty-six million, three hundred thirty-one thousand, four hundred forty-nine".