564901 has 4 divisors (see below), whose sum is σ = 568204. Its totient is φ = 561600.

The previous prime is 564899. The next prime is 564917. The reversal of 564901 is 109465.

564901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109465 = 5 ⋅21893.

It can be written as a sum of positive squares in 2 ways, for example, as 2401 + 562500 = 49^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 564901 - 2¹ = 564899 is a prime.

It is a super-2 number, since 2×564901² = 638226279602, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380 + ... + 1741.

It is an arithmetic number, because the mean of its divisors is an integer number (142051).

2⁵⁶⁴⁹⁰¹ is an apocalyptic number.

It is an amenable number.

564901 is a deficient number, since it is larger than the sum of its proper divisors (3303).

564901 is a wasteful number, since it uses less digits than its factorization.

564901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 564901 is about 751.5989622132. The cubic root of 564901 is about 82.6654652820.

The spelling of 564901 in words is "five hundred sixty-four thousand, nine hundred one".