564521461 has 8 divisors (see below), whose sum is σ = 647029440. Its totient is φ = 482479008.

The previous prime is 564521459. The next prime is 564521491. The reversal of 564521461 is 164125465.

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 564521461 - 2¹ = 564521459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564521491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113776 + ... + 118633.

It is an arithmetic number, because the mean of its divisors is an integer number (80878680).

Almost surely, 2^564521461 is an apocalyptic number.

It is an amenable number.

564521461 is a deficient number, since it is larger than the sum of its proper divisors (82507979).

564521461 is a wasteful number, since it uses less digits than its factorization.

564521461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232763.

The product of its digits is 28800, while the sum is 34.

The square root of 564521461 is about 23759.6603721518. The cubic root of 564521461 is about 826.4694770268.

The spelling of 564521461 in words is "five hundred sixty-four million, five hundred twenty-one thousand, four hundred sixty-one".