564121 has 4 divisors (see below), whose sum is σ = 588672. Its totient is φ = 539572.

The previous prime is 564103. The next prime is 564127. The reversal of 564121 is 121465.

564121 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 564121 - 2⁵ = 564089 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (564127) 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, 12241 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (147168).

2⁵⁶⁴¹²¹ is an apocalyptic number.

It is an amenable number.

564121 is a deficient number, since it is larger than the sum of its proper divisors (24551).

564121 is a wasteful number, since it uses less digits than its factorization.

564121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24550.

The product of its digits is 240, while the sum is 19.

The square root of 564121 is about 751.0798892262. The cubic root of 564121 is about 82.6274003451.

Adding to 564121 its reverse (121465), we get a palindrome (685586).

The spelling of 564121 in words is "five hundred sixty-four thousand, one hundred twenty-one".