564542749 has 8 divisors (see below), whose sum is σ = 599470200. Its totient is φ = 529806336.

The previous prime is 564542747. The next prime is 564542761. The reversal of 564542749 is 947245465.

564542749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 399600100 + 164942649 = 19990^2 + 12843^2 .

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 564542749 - 2¹ = 564542747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 564542699 and 564542708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564542747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41644 + ... + 53509.

It is an arithmetic number, because the mean of its divisors is an integer number (74933775).

Almost surely, 2^564542749 is an apocalyptic number.

It is an amenable number.

564542749 is a deficient number, since it is larger than the sum of its proper divisors (34927451).

564542749 is a wasteful number, since it uses less digits than its factorization.

564542749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95519.

The product of its digits is 1209600, while the sum is 46.

The square root of 564542749 is about 23760.1083541300. The cubic root of 564542749 is about 826.4798655667.

The spelling of 564542749 in words is "five hundred sixty-four million, five hundred forty-two thousand, seven hundred forty-nine".