242928271 has 2 divisors, whose sum is σ = 242928272. Its totient is φ = 242928270.

The previous prime is 242928253. The next prime is 242928341. The reversal of 242928271 is 172829242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242928271 - 2¹¹ = 242926223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242928271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242928211) 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 as a sum of consecutive naturals, namely, 121464135 + 121464136.

It is an arithmetic number, because the mean of its divisors is an integer number (121464136).

Almost surely, 2^242928271 is an apocalyptic number.

242928271 is a deficient number, since it is larger than the sum of its proper divisors (1).

242928271 is an equidigital number, since it uses as much as digits as its factorization.

242928271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 242928271 is about 15586.1563895657. The cubic root of 242928271 is about 623.9637407363.

The spelling of 242928271 in words is "two hundred forty-two million, nine hundred twenty-eight thousand, two hundred seventy-one".