242381353 has 4 divisors (see below), whose sum is σ = 242907588. Its totient is φ = 241855120.

The previous prime is 242381329. The next prime is 242381357. The reversal of 242381353 is 353183242.

242381353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 353183242 = 2 ⋅176591621.

It can be written as a sum of positive squares in 2 ways, for example, as 170250304 + 72131049 = 13048^2 + 8493^2 .

It is a cyclic number.

It is not a de Polignac number, because 242381353 - 2²¹ = 240284201 is a prime.

It is a super-3 number, since 3×242381353³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242381357) 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, 262426 + ... + 263347.

It is an arithmetic number, because the mean of its divisors is an integer number (60726897).

Almost surely, 2^242381353 is an apocalyptic number.

It is an amenable number.

242381353 is a deficient number, since it is larger than the sum of its proper divisors (526235).

242381353 is an equidigital number, since it uses as much as digits as its factorization.

242381353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526234.

The product of its digits is 17280, while the sum is 31.

The square root of 242381353 is about 15568.6015107331. The cubic root of 242381353 is about 623.4951340738.

The spelling of 242381353 in words is "two hundred forty-two million, three hundred eighty-one thousand, three hundred fifty-three".