241979281 has 2 divisors, whose sum is σ = 241979282. Its totient is φ = 241979280.

The previous prime is 241979263. The next prime is 241979293. The reversal of 241979281 is 182979142.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222487056 + 19492225 = 14916^2 + 4415^2 .

It is a cyclic number.

It is not a de Polignac number, because 241979281 - 2⁵ = 241979249 is a prime.

It is a super-2 number, since 2×241979281² = 117107944866553922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (241979201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120989640 + 120989641.

It is an arithmetic number, because the mean of its divisors is an integer number (120989641).

Almost surely, 2^241979281 is an apocalyptic number.

It is an amenable number.

241979281 is a deficient number, since it is larger than the sum of its proper divisors (1).

241979281 is an equidigital number, since it uses as much as digits as its factorization.

241979281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 43.

The square root of 241979281 is about 15555.6832379680. The cubic root of 241979281 is about 623.1501836083.

The spelling of 241979281 in words is "two hundred forty-one million, nine hundred seventy-nine thousand, two hundred eighty-one".