574056661 has 2 divisors, whose sum is σ = 574056662. Its totient is φ = 574056660.

The previous prime is 574056641. The next prime is 574056673. The reversal of 574056661 is 166650475.

574056661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 535691025 + 38365636 = 23145^2 + 6194^2 .

It is a cyclic number.

It is not a de Polignac number, because 574056661 - 2⁷ = 574056533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (574056601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287028330 + 287028331.

It is an arithmetic number, because the mean of its divisors is an integer number (287028331).

Almost surely, 2^574056661 is an apocalyptic number.

It is an amenable number.

574056661 is a deficient number, since it is larger than the sum of its proper divisors (1).

574056661 is an equidigital number, since it uses as much as digits as its factorization.

574056661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 574056661 is about 23959.4795644647. The cubic root of 574056661 is about 831.0967554691.

The spelling of 574056661 in words is "five hundred seventy-four million, fifty-six thousand, six hundred sixty-one".