241982857 has 2 divisors, whose sum is σ = 241982858. Its totient is φ = 241982856.

The previous prime is 241982831. The next prime is 241982891. The reversal of 241982857 is 758289142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150283081 + 91699776 = 12259^2 + 9576^2 .

It is a cyclic number.

It is not a de Polignac number, because 241982857 - 2⁷ = 241982729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (241982827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120991428 + 120991429.

It is an arithmetic number, because the mean of its divisors is an integer number (120991429).

Almost surely, 2^241982857 is an apocalyptic number.

It is an amenable number.

241982857 is a deficient number, since it is larger than the sum of its proper divisors (1).

241982857 is an equidigital number, since it uses as much as digits as its factorization.

241982857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 46.

The square root of 241982857 is about 15555.7981794571. The cubic root of 241982857 is about 623.1532532569.

The spelling of 241982857 in words is "two hundred forty-one million, nine hundred eighty-two thousand, eight hundred fifty-seven".