564940801 has 4 divisors (see below), whose sum is σ = 568732500. Its totient is φ = 561149104.

The previous prime is 564940781. The next prime is 564940829. The reversal of 564940801 is 108049465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108049465 = 5 ⋅21609893.

It can be written as a sum of positive squares in 2 ways, for example, as 38192400 + 526748401 = 6180^2 + 22951^2 .

It is a cyclic number.

It is not a de Polignac number, because 564940801 - 2¹⁵ = 564908033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564940891) 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, 1895626 + ... + 1895923.

It is an arithmetic number, because the mean of its divisors is an integer number (142183125).

Almost surely, 2^564940801 is an apocalyptic number.

It is an amenable number.

564940801 is a deficient number, since it is larger than the sum of its proper divisors (3791699).

564940801 is a wasteful number, since it uses less digits than its factorization.

564940801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3791698.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 564940801 is about 23768.4833550650. The cubic root of 564940801 is about 826.6740667876.

The spelling of 564940801 in words is "five hundred sixty-four million, nine hundred forty thousand, eight hundred one".