567997 has 2 divisors, whose sum is σ = 567998. Its totient is φ = 567996.

The previous prime is 567991. The next prime is 568019. The reversal of 567997 is 799765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 538756 + 29241 = 734^2 + 171^2 .

It is a cyclic number.

It is not a de Polignac number, because 567997 - 2¹⁵ = 535229 is a prime.

It is an Ulam number.

567997 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (567991) 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, 283998 + 283999.

It is an arithmetic number, because the mean of its divisors is an integer number (283999).

2⁵⁶⁷⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

567997 is a deficient number, since it is larger than the sum of its proper divisors (1).

567997 is an equidigital number, since it uses as much as digits as its factorization.

567997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 43.

The square root of 567997 is about 753.6557569607. The cubic root of 567997 is about 82.8162091848.

It can be divided in two parts, 5679 and 97, that added together give a square (5776 = 76²).

The spelling of 567997 in words is "five hundred sixty-seven thousand, nine hundred ninety-seven".