574645609 has 2 divisors, whose sum is σ = 574645610. Its totient is φ = 574645608.

The previous prime is 574645607. The next prime is 574645613. The reversal of 574645609 is 906546475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539539984 + 35105625 = 23228^2 + 5925^2 .

It is a cyclic number.

It is not a de Polignac number, because 574645609 - 2¹ = 574645607 is a prime.

Together with 574645607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (574645607) 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, 287322804 + 287322805.

It is an arithmetic number, because the mean of its divisors is an integer number (287322805).

Almost surely, 2^574645609 is an apocalyptic number.

It is an amenable number.

574645609 is a deficient number, since it is larger than the sum of its proper divisors (1).

574645609 is an equidigital number, since it uses as much as digits as its factorization.

574645609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 574645609 is about 23971.7669144350. The cubic root of 574645609 is about 831.3808769450.

The spelling of 574645609 in words is "five hundred seventy-four million, six hundred forty-five thousand, six hundred nine".