609568197 has 32 divisors (see below), whose sum is σ = 984372480. Its totient is φ = 328097280.

The previous prime is 609568189. The next prime is 609568199. The reversal of 609568197 is 791865906.

It is not a de Polignac number, because 609568197 - 2³ = 609568189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609568199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12763 + ... + 37175.

It is an arithmetic number, because the mean of its divisors is an integer number (30761640).

Almost surely, 2^609568197 is an apocalyptic number.

It is an amenable number.

609568197 is a deficient number, since it is larger than the sum of its proper divisors (374804283).

609568197 is a wasteful number, since it uses less digits than its factorization.

609568197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24493.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 609568197 is about 24689.4349267050. The cubic root of 609568197 is about 847.8924474408.

The spelling of 609568197 in words is "six hundred nine million, five hundred sixty-eight thousand, one hundred ninety-seven".