564774289 has 8 divisors (see below), whose sum is σ = 606922848. Its totient is φ = 523617600.

The previous prime is 564774281. The next prime is 564774293. The reversal of 564774289 is 982477465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 564774289 - 2³ = 564774281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564774281) 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 7 ways as a sum of consecutive naturals, for example, 246787 + ... + 249064.

It is an arithmetic number, because the mean of its divisors is an integer number (75865356).

Almost surely, 2^564774289 is an apocalyptic number.

It is an amenable number.

564774289 is a deficient number, since it is larger than the sum of its proper divisors (42148559).

564774289 is a wasteful number, since it uses less digits than its factorization.

564774289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495935.

The product of its digits is 3386880, while the sum is 52.

The square root of 564774289 is about 23764.9803071663. The cubic root of 564774289 is about 826.5928401776.

The spelling of 564774289 in words is "five hundred sixty-four million, seven hundred seventy-four thousand, two hundred eighty-nine".