242446291 has 2 divisors, whose sum is σ = 242446292. Its totient is φ = 242446290.

The previous prime is 242446279. The next prime is 242446301. The reversal of 242446291 is 192644242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242446291 - 2¹¹ = 242444243 is a prime.

It is not a weakly prime, because it can be changed into another prime (242446201) 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 as a sum of consecutive naturals, namely, 121223145 + 121223146.

It is an arithmetic number, because the mean of its divisors is an integer number (121223146).

Almost surely, 2^242446291 is an apocalyptic number.

242446291 is a deficient number, since it is larger than the sum of its proper divisors (1).

242446291 is an equidigital number, since it uses as much as digits as its factorization.

242446291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 242446291 is about 15570.6869148410. The cubic root of 242446291 is about 623.5508106776.

The spelling of 242446291 in words is "two hundred forty-two million, four hundred forty-six thousand, two hundred ninety-one".