243007049 has 2 divisors, whose sum is σ = 243007050. Its totient is φ = 243007048.

The previous prime is 243007033. The next prime is 243007097. The reversal of 243007049 is 940700342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224041024 + 18966025 = 14968^2 + 4355^2 .

It is a cyclic number.

It is not a de Polignac number, because 243007049 - 2⁴ = 243007033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (243007099) 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, 121503524 + 121503525.

It is an arithmetic number, because the mean of its divisors is an integer number (121503525).

Almost surely, 2^243007049 is an apocalyptic number.

It is an amenable number.

243007049 is a deficient number, since it is larger than the sum of its proper divisors (1).

243007049 is an equidigital number, since it uses as much as digits as its factorization.

243007049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 243007049 is about 15588.6833632607. The cubic root of 243007049 is about 624.0311808123.

The spelling of 243007049 in words is "two hundred forty-three million, seven thousand, forty-nine".