242567 has 8 divisors (see below), whose sum is σ = 267456. Its totient is φ = 218592.

The previous prime is 242551. The next prime is 242591. The reversal of 242567 is 765242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242567 - 2⁴ = 242551 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

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 242567.

It is not an unprimeable number, because it can be changed into a prime (242467) 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 in 7 ways as a sum of consecutive naturals, for example, 413 + ... + 809.

It is an arithmetic number, because the mean of its divisors is an integer number (33432).

2²⁴²⁵⁶⁷ is an apocalyptic number.

242567 is a deficient number, since it is larger than the sum of its proper divisors (24889).

242567 is a wasteful number, since it uses less digits than its factorization.

242567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its digits is 3360, while the sum is 26.

The square root of 242567 is about 492.5109135847. The cubic root of 242567 is about 62.3654277864.

The spelling of 242567 in words is "two hundred forty-two thousand, five hundred sixty-seven".