243087059 has 2 divisors, whose sum is σ = 243087060. Its totient is φ = 243087058.

The previous prime is 243087011. The next prime is 243087067. The reversal of 243087059 is 950780342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243087059 - 2¹⁶ = 243021523 is a prime.

It is not a weakly prime, because it can be changed into another prime (243087079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121543529 + 121543530.

It is an arithmetic number, because the mean of its divisors is an integer number (121543530).

Almost surely, 2^243087059 is an apocalyptic number.

243087059 is a deficient number, since it is larger than the sum of its proper divisors (1).

243087059 is an equidigital number, since it uses as much as digits as its factorization.

243087059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 243087059 is about 15591.2494367834. The cubic root of 243087059 is about 624.0996606586.

The spelling of 243087059 in words is "two hundred forty-three million, eighty-seven thousand, fifty-nine".