564021795 has 16 divisors (see below), whose sum is σ = 905653152. Its totient is φ = 299738880.

The previous prime is 564021793. The next prime is 564021811. The reversal of 564021795 is 597120465.

It is not a de Polignac number, because 564021795 - 2¹ = 564021793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564021791) 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 15 ways as a sum of consecutive naturals, for example, 62692 + ... + 71121.

It is an arithmetic number, because the mean of its divisors is an integer number (56603322).

Almost surely, 2^564021795 is an apocalyptic number.

564021795 is a deficient number, since it is larger than the sum of its proper divisors (341631357).

564021795 is a wasteful number, since it uses less digits than its factorization.

564021795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134102.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 564021795 is about 23749.1430371708. The cubic root of 564021795 is about 826.2255650738.

The spelling of 564021795 in words is "five hundred sixty-four million, twenty-one thousand, seven hundred ninety-five".