243003469 has 2 divisors, whose sum is σ = 243003470. Its totient is φ = 243003468.

The previous prime is 243003437. The next prime is 243003473. The reversal of 243003469 is 964300342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226111369 + 16892100 = 15037^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 243003469 - 2⁵ = 243003437 is a prime.

It is a super-2 number, since 2×243003469² = 118101371892067922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243003469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243003169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121501734 + 121501735.

It is an arithmetic number, because the mean of its divisors is an integer number (121501735).

Almost surely, 2^243003469 is an apocalyptic number.

It is an amenable number.

243003469 is a deficient number, since it is larger than the sum of its proper divisors (1).

243003469 is an equidigital number, since it uses as much as digits as its factorization.

243003469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 243003469 is about 15588.5685359497. The cubic root of 243003469 is about 624.0281163709.

The spelling of 243003469 in words is "two hundred forty-three million, three thousand, four hundred sixty-nine".