243056059 has 2 divisors, whose sum is σ = 243056060. Its totient is φ = 243056058.

The previous prime is 243055993. The next prime is 243056083. The reversal of 243056059 is 950650342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243056059 - 2²³ = 234667451 is a prime.

It is a super-2 number, since 2×243056059² = 118152495633222962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (243056659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121528029 + 121528030.

It is an arithmetic number, because the mean of its divisors is an integer number (121528030).

Almost surely, 2^243056059 is an apocalyptic number.

243056059 is a deficient number, since it is larger than the sum of its proper divisors (1).

243056059 is an equidigital number, since it uses as much as digits as its factorization.

243056059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 243056059 is about 15590.2552576922. The cubic root of 243056059 is about 624.0731298181.

The spelling of 243056059 in words is "two hundred forty-three million, fifty-six thousand, fifty-nine".