564641 has 8 divisors (see below), whose sum is σ = 704064. Its totient is φ = 439920.

The previous prime is 564617. The next prime is 564643. The reversal of 564641 is 146465.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564641 is a prime.

It is a Duffinian number.

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 564641.

It is not an unprimeable number, because it can be changed into a prime (564643) 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, 3590 + ... + 3743.

It is an arithmetic number, because the mean of its divisors is an integer number (88008).

2⁵⁶⁴⁶⁴¹ is an apocalyptic number.

It is an amenable number.

564641 is a deficient number, since it is larger than the sum of its proper divisors (139423).

564641 is a wasteful number, since it uses less digits than its factorization.

564641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351.

The product of its digits is 2880, while the sum is 26.

The square root of 564641 is about 751.4259777250. The cubic root of 564641 is about 82.6527808652.

It can be divided in two parts, 56464 and 1, that added together give a palindrome (56465).

The spelling of 564641 in words is "five hundred sixty-four thousand, six hundred forty-one".