242098559 has 4 divisors (see below), whose sum is σ = 242136360. Its totient is φ = 242060760.

The previous prime is 242098543. The next prime is 242098567. The reversal of 242098559 is 955890242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955890242 = 2 ⋅477945121.

It is a cyclic number.

It is not a de Polignac number, because 242098559 - 2⁴ = 242098543 is a prime.

It is a super-2 number, since 2×242098559² = 117223424539752962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242092559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6644 + ... + 22985.

It is an arithmetic number, because the mean of its divisors is an integer number (60534090).

Almost surely, 2^242098559 is an apocalyptic number.

242098559 is a deficient number, since it is larger than the sum of its proper divisors (37801).

242098559 is an equidigital number, since it uses as much as digits as its factorization.

242098559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37800.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 242098559 is about 15559.5166698712. The cubic root of 242098559 is about 623.2525558691.

It can be divided in two parts, 24209 and 8559, that added together give a 15-th power (32768 = 2¹⁵).

The spelling of 242098559 in words is "two hundred forty-two million, ninety-eight thousand, five hundred fifty-nine".