243065093 has 2 divisors, whose sum is σ = 243065094. Its totient is φ = 243065092.

The previous prime is 243065089. The next prime is 243065113. The reversal of 243065093 is 390560342.

243065093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 242175844 + 889249 = 15562^2 + 943^2 .

It is a cyclic number.

It is not a de Polignac number, because 243065093 - 2² = 243065089 is a prime.

It is a super-4 number, since 4×243065093⁴ (a number of 35 digits) contains 4444 as substring.

It is a Sophie Germain 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 (243065003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121532546 + 121532547.

It is an arithmetic number, because the mean of its divisors is an integer number (121532547).

Almost surely, 2^243065093 is an apocalyptic number.

It is an amenable number.

243065093 is a deficient number, since it is larger than the sum of its proper divisors (1).

243065093 is an equidigital number, since it uses as much as digits as its factorization.

243065093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 243065093 is about 15590.5449872671. The cubic root of 243065093 is about 624.0808616515.

The spelling of 243065093 in words is "two hundred forty-three million, sixty-five thousand, ninety-three".