243450341 has 2 divisors, whose sum is σ = 243450342. Its totient is φ = 243450340.

The previous prime is 243450289. The next prime is 243450349. The reversal of 243450341 is 143054342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241336225 + 2114116 = 15535^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 243450341 - 2¹⁰ = 243449317 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243450341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243450349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121725170 + 121725171.

It is an arithmetic number, because the mean of its divisors is an integer number (121725171).

Almost surely, 2^243450341 is an apocalyptic number.

It is an amenable number.

243450341 is a deficient number, since it is larger than the sum of its proper divisors (1).

243450341 is an equidigital number, since it uses as much as digits as its factorization.

243450341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 243450341 is about 15602.8952761979. The cubic root of 243450341 is about 624.4104016262.

The spelling of 243450341 in words is "two hundred forty-three million, four hundred fifty thousand, three hundred forty-one".