574722509 has 2 divisors, whose sum is σ = 574722510. Its totient is φ = 574722508.

The previous prime is 574722497. The next prime is 574722527. The reversal of 574722509 is 905227475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455694409 + 119028100 = 21347^2 + 10910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-574722509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (574722539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287361254 + 287361255.

It is an arithmetic number, because the mean of its divisors is an integer number (287361255).

Almost surely, 2^574722509 is an apocalyptic number.

It is an amenable number.

574722509 is a deficient number, since it is larger than the sum of its proper divisors (1).

574722509 is an equidigital number, since it uses as much as digits as its factorization.

574722509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 574722509 is about 23973.3708309866. The cubic root of 574722509 is about 831.4179608664.

The spelling of 574722509 in words is "five hundred seventy-four million, seven hundred twenty-two thousand, five hundred nine".