564729213 has 4 divisors (see below), whose sum is σ = 752972288. Its totient is φ = 376486140.

The previous prime is 564729199. The next prime is 564729227. The reversal of 564729213 is 312927465.

564729213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an interprime number because it is at equal distance from previous prime (564729199) and next prime (564729227).

It is not a de Polignac number, because 564729213 - 2⁴ = 564729197 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 (564729233) 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, 94121533 + ... + 94121538.

It is an arithmetic number, because the mean of its divisors is an integer number (188243072).

Almost surely, 2^564729213 is an apocalyptic number.

It is an amenable number.

564729213 is a deficient number, since it is larger than the sum of its proper divisors (188243075).

564729213 is a wasteful number, since it uses less digits than its factorization.

564729213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188243074.

The product of its digits is 90720, while the sum is 39.

The square root of 564729213 is about 23764.0319180058. The cubic root of 564729213 is about 826.5708488022.

The spelling of 564729213 in words is "five hundred sixty-four million, seven hundred twenty-nine thousand, two hundred thirteen".