574505909 has 2 divisors, whose sum is σ = 574505910. Its totient is φ = 574505908.

The previous prime is 574505887. The next prime is 574505917. The reversal of 574505909 is 909505475.

It is a happy number.

574505909 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., 544288900 + 30217009 = 23330^2 + 5497^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-574505909 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 574505909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (574505959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287252954 + 287252955.

It is an arithmetic number, because the mean of its divisors is an integer number (287252955).

Almost surely, 2^574505909 is an apocalyptic number.

It is an amenable number.

574505909 is a deficient number, since it is larger than the sum of its proper divisors (1).

574505909 is an equidigital number, since it uses as much as digits as its factorization.

574505909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 44.

The square root of 574505909 is about 23968.8528928691. The cubic root of 574505909 is about 831.3135001597.

The spelling of 574505909 in words is "five hundred seventy-four million, five hundred five thousand, nine hundred nine".