158567 has 2 divisors, whose sum is σ = 158568. Its totient is φ = 158566.

The previous prime is 158563. The next prime is 158573. The reversal of 158567 is 765851.

It is a weak prime.

It is an emirp because it is prime and its reverse (765851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158567 - 2² = 158563 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 (158563) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79283 + 79284.

It is an arithmetic number, because the mean of its divisors is an integer number (79284).

2¹⁵⁸⁵⁶⁷ is an apocalyptic number.

158567 is a deficient number, since it is larger than the sum of its proper divisors (1).

158567 is an equidigital number, since it uses as much as digits as its factorization.

158567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

The square root of 158567 is about 398.2047212176. The cubic root of 158567 is about 54.1257927016.

The spelling of 158567 in words is "one hundred fifty-eight thousand, five hundred sixty-seven".