242854949 has 2 divisors, whose sum is σ = 242854950. Its totient is φ = 242854948.

The previous prime is 242854933. The next prime is 242854991. The reversal of 242854949 is 949458242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185368225 + 57486724 = 13615^2 + 7582^2 .

It is a cyclic number.

It is not a de Polignac number, because 242854949 - 2⁴ = 242854933 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242854349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121427474 + 121427475.

It is an arithmetic number, because the mean of its divisors is an integer number (121427475).

Almost surely, 2^242854949 is an apocalyptic number.

It is an amenable number.

242854949 is a deficient number, since it is larger than the sum of its proper divisors (1).

242854949 is an equidigital number, since it uses as much as digits as its factorization.

242854949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The square root of 242854949 is about 15583.8040606265. The cubic root of 242854949 is about 623.9009583180.

The spelling of 242854949 in words is "two hundred forty-two million, eight hundred fifty-four thousand, nine hundred forty-nine".