564461089 has 4 divisors (see below), whose sum is σ = 564686640. Its totient is φ = 564235540.

The previous prime is 564461071. The next prime is 564461119. The reversal of 564461089 is 980164465.

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 564461089 - 2⁵ = 564461057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564461789) 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, 108979 + ... + 114040.

It is an arithmetic number, because the mean of its divisors is an integer number (141171660).

Almost surely, 2^564461089 is an apocalyptic number.

It is an amenable number.

564461089 is a deficient number, since it is larger than the sum of its proper divisors (225551).

564461089 is a wasteful number, since it uses less digits than its factorization.

564461089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225550.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 564461089 is about 23758.3898654770. The cubic root of 564461089 is about 826.4400140819.

The spelling of 564461089 in words is "five hundred sixty-four million, four hundred sixty-one thousand, eighty-nine".