242959 has 4 divisors (see below), whose sum is σ = 244720. Its totient is φ = 241200.

The previous prime is 242927. The next prime is 242971. The reversal of 242959 is 959242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242959 - 2⁵ = 242927 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁴ + 9 + 2¹⁷ + 5⁷ + 9³ .

It is a Duffinian number.

242959 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 242959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242989) 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 3 ways as a sum of consecutive naturals, for example, 654 + ... + 955.

It is an arithmetic number, because the mean of its divisors is an integer number (61180).

2²⁴²⁹⁵⁹ is an apocalyptic number.

242959 is a deficient number, since it is larger than the sum of its proper divisors (1761).

242959 is a wasteful number, since it uses less digits than its factorization.

242959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760.

The product of its digits is 6480, while the sum is 31.

The square root of 242959 is about 492.9087136580. The cubic root of 242959 is about 62.3990048877.

The spelling of 242959 in words is "two hundred forty-two thousand, nine hundred fifty-nine".