542567 has 2 divisors, whose sum is σ = 542568. Its totient is φ = 542566.

The previous prime is 542557. The next prime is 542579. The reversal of 542567 is 765245.

542567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542567 - 2⁴ = 542551 is a prime.

It is a super-4 number, since 4×542567⁴ (a number of 24 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542567.

It is not a weakly prime, because it can be changed into another prime (542537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271283 + 271284.

It is an arithmetic number, because the mean of its divisors is an integer number (271284).

2⁵⁴²⁵⁶⁷ is an apocalyptic number.

542567 is a deficient number, since it is larger than the sum of its proper divisors (1).

542567 is an equidigital number, since it uses as much as digits as its factorization.

542567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 542567 is about 736.5914742922. The cubic root of 542567 is about 81.5613599416.

The spelling of 542567 in words is "five hundred forty-two thousand, five hundred sixty-seven".