242759 has 8 divisors (see below), whose sum is σ = 274320. Its totient is φ = 212800.

The previous prime is 242747. The next prime is 242773. The reversal of 242759 is 957242.

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 242759 - 2¹⁶ = 177223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a d-powerful number, because it can be written as 2¹⁵ + 4² + 7² + 2¹⁷ + 5⁷ + 9³ .

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (34290).

242759 is a Friedman number, since it can be written as 2+9^4*(7*5+2), using all its digits and the basic arithmetic operations.

2²⁴²⁷⁵⁹ is an apocalyptic number.

242759 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

242759 is a deficient number, since it is larger than the sum of its proper divisors (31561).

242759 is a wasteful number, since it uses less digits than its factorization.

242759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801.

The product of its digits is 5040, while the sum is 29.

The square root of 242759 is about 492.7057945671. The cubic root of 242759 is about 62.3818782299.

It can be divided in two parts, 242 and 759, that added together give a palindrome (1001).

The spelling of 242759 in words is "two hundred forty-two thousand, seven hundred fifty-nine".