243482893 has 2 divisors, whose sum is σ = 243482894. Its totient is φ = 243482892.

The previous prime is 243482843. The next prime is 243482909. The reversal of 243482893 is 398284342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240932484 + 2550409 = 15522^2 + 1597^2 .

It is a cyclic number.

It is not a de Polignac number, because 243482893 - 2¹³ = 243474701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243482843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121741446 + 121741447.

It is an arithmetic number, because the mean of its divisors is an integer number (121741447).

Almost surely, 2^243482893 is an apocalyptic number.

It is an amenable number.

243482893 is a deficient number, since it is larger than the sum of its proper divisors (1).

243482893 is an equidigital number, since it uses as much as digits as its factorization.

243482893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The square root of 243482893 is about 15603.9383810626. The cubic root of 243482893 is about 624.4382305755.

The spelling of 243482893 in words is "two hundred forty-three million, four hundred eighty-two thousand, eight hundred ninety-three".