242681297 has 4 divisors (see below), whose sum is σ = 242872320. Its totient is φ = 242490276.

The previous prime is 242681269. The next prime is 242681333. The reversal of 242681297 is 792186242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 792186242 = 2 ⋅396093121.

It is a cyclic number.

It is not a de Polignac number, because 242681297 - 2⁶ = 242681233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242081297) 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, 93593 + ... + 96150.

It is an arithmetic number, because the mean of its divisors is an integer number (60718080).

Almost surely, 2^242681297 is an apocalyptic number.

It is an amenable number.

242681297 is a deficient number, since it is larger than the sum of its proper divisors (191023).

242681297 is a wasteful number, since it uses less digits than its factorization.

242681297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191022.

The product of its digits is 96768, while the sum is 41.

The square root of 242681297 is about 15578.2315106690. The cubic root of 242681297 is about 623.7522172925.

The spelling of 242681297 in words is "two hundred forty-two million, six hundred eighty-one thousand, two hundred ninety-seven".