242687359 has 4 divisors (see below), whose sum is σ = 256963104. Its totient is φ = 228411616.

The previous prime is 242687353. The next prime is 242687369. The reversal of 242687359 is 953786242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953786242 = 2 ⋅476893121.

It is a cyclic number.

It is not a de Polignac number, because 242687359 - 2¹⁹ = 242163071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242687353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7137847 + ... + 7137880.

It is an arithmetic number, because the mean of its divisors is an integer number (64240776).

Almost surely, 2^242687359 is an apocalyptic number.

242687359 is a deficient number, since it is larger than the sum of its proper divisors (14275745).

242687359 is a wasteful number, since it uses less digits than its factorization.

242687359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14275744.

The product of its digits is 725760, while the sum is 46.

The square root of 242687359 is about 15578.4260758268. The cubic root of 242687359 is about 623.7574108728.

The spelling of 242687359 in words is "two hundred forty-two million, six hundred eighty-seven thousand, three hundred fifty-nine".