243059051 has 2 divisors, whose sum is σ = 243059052. Its totient is φ = 243059050.

The previous prime is 243059027. The next prime is 243059053. The reversal of 243059051 is 150950342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243059051 - 2⁶ = 243058987 is a prime.

Together with 243059053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (243059053) 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, 121529525 + 121529526.

It is an arithmetic number, because the mean of its divisors is an integer number (121529526).

Almost surely, 2^243059051 is an apocalyptic number.

243059051 is a deficient number, since it is larger than the sum of its proper divisors (1).

243059051 is an equidigital number, since it uses as much as digits as its factorization.

243059051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 243059051 is about 15590.3512147738. The cubic root of 243059051 is about 624.0756905705.

The spelling of 243059051 in words is "two hundred forty-three million, fifty-nine thousand, fifty-one".