204140567 has 2 divisors, whose sum is σ = 204140568. Its totient is φ = 204140566.

The previous prime is 204140561. The next prime is 204140591. The reversal of 204140567 is 765041402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204140567 - 2⁴ = 204140551 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204140561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102070283 + 102070284.

It is an arithmetic number, because the mean of its divisors is an integer number (102070284).

Almost surely, 2^204140567 is an apocalyptic number.

204140567 is a deficient number, since it is larger than the sum of its proper divisors (1).

204140567 is an equidigital number, since it uses as much as digits as its factorization.

204140567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 204140567 is about 14287.7768389627. The cubic root of 204140567 is about 588.8117106021.

Adding to 204140567 its reverse (765041402), we get a palindrome (969181969).

The spelling of 204140567 in words is "two hundred four million, one hundred forty thousand, five hundred sixty-seven".