64567 has 2 divisors, whose sum is σ = 64568. Its totient is φ = 64566.

The previous prime is 64553. The next prime is 64577. The reversal of 64567 is 76546.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64567 - 2⁷ = 64439 is a prime.

It is a Chen prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32283 + 32284.

It is an arithmetic number, because the mean of its divisors is an integer number (32284).

2⁶⁴⁵⁶⁷ is an apocalyptic number.

64567 is a deficient number, since it is larger than the sum of its proper divisors (1).

64567 is an equidigital number, since it uses as much as digits as its factorization.

64567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 28.

The square root of 64567 is about 254.1003738683. The cubic root of 64567 is about 40.1177778690.

The spelling of 64567 in words is "sixty-four thousand, five hundred sixty-seven".