242458271 has 4 divisors (see below), whose sum is σ = 264499944. Its totient is φ = 220416600.

The previous prime is 242458261. The next prime is 242458273. The reversal of 242458271 is 172854242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242458271 - 2⁶ = 242458207 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 (242458273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11020820 + ... + 11020841.

It is an arithmetic number, because the mean of its divisors is an integer number (66124986).

Almost surely, 2^242458271 is an apocalyptic number.

242458271 is a deficient number, since it is larger than the sum of its proper divisors (22041673).

242458271 is a wasteful number, since it uses less digits than its factorization.

242458271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22041672.

The product of its digits is 35840, while the sum is 35.

The square root of 242458271 is about 15571.0716073108. The cubic root of 242458271 is about 623.5610810151.

The spelling of 242458271 in words is "two hundred forty-two million, four hundred fifty-eight thousand, two hundred seventy-one".