564323626 has 8 divisors (see below), whose sum is σ = 851877540. Its totient is φ = 280364448.

The previous prime is 564323621. The next prime is 564323633. The reversal of 564323626 is 626323465.

It can be written as a sum of positive squares in 2 ways, for example, as 495018001 + 69305625 = 22249^2 + 8325^2 .

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

It is a super-2 number, since 2×564323626² = 636922309723575752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (564323621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898291 + ... + 898918.

Almost surely, 2^564323626 is an apocalyptic number.

564323626 is a deficient number, since it is larger than the sum of its proper divisors (287553914).

564323626 is a wasteful number, since it uses less digits than its factorization.

564323626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797368.

The product of its digits is 155520, while the sum is 37.

The square root of 564323626 is about 23755.4967533832. The cubic root of 564323626 is about 826.3729210917.

The spelling of 564323626 in words is "five hundred sixty-four million, three hundred twenty-three thousand, six hundred twenty-six".