564667 has 2 divisors, whose sum is σ = 564668. Its totient is φ = 564666.

The previous prime is 564653. The next prime is 564671. The reversal of 564667 is 766465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-564667 is a prime.

It is not a weakly prime, because it can be changed into another prime (564607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282333 + 282334.

It is an arithmetic number, because the mean of its divisors is an integer number (282334).

2⁵⁶⁴⁶⁶⁷ is an apocalyptic number.

564667 is a deficient number, since it is larger than the sum of its proper divisors (1).

564667 is an equidigital number, since it uses as much as digits as its factorization.

564667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 564667 is about 751.4432779658. The cubic root of 564667 is about 82.6540494820.

The spelling of 564667 in words is "five hundred sixty-four thousand, six hundred sixty-seven".