564373213 has 2 divisors, whose sum is σ = 564373214. Its totient is φ = 564373212.

The previous prime is 564373211. The next prime is 564373279. The reversal of 564373213 is 312373465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543915684 + 20457529 = 23322^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 564373213 - 2¹ = 564373211 is a prime.

Together with 564373211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (564373211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282186606 + 282186607.

It is an arithmetic number, because the mean of its divisors is an integer number (282186607).

Almost surely, 2^564373213 is an apocalyptic number.

It is an amenable number.

564373213 is a deficient number, since it is larger than the sum of its proper divisors (1).

564373213 is an equidigital number, since it uses as much as digits as its factorization.

564373213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 34.

The square root of 564373213 is about 23756.5404257438. The cubic root of 564373213 is about 826.3971247886.

The spelling of 564373213 in words is "five hundred sixty-four million, three hundred seventy-three thousand, two hundred thirteen".