243160051 has 2 divisors, whose sum is σ = 243160052. Its totient is φ = 243160050.

The previous prime is 243160033. The next prime is 243160079. The reversal of 243160051 is 150061342.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243160051 is a prime.

It is not a weakly prime, because it can be changed into another prime (243163051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121580025 + 121580026.

It is an arithmetic number, because the mean of its divisors is an integer number (121580026).

Almost surely, 2^243160051 is an apocalyptic number.

243160051 is a deficient number, since it is larger than the sum of its proper divisors (1).

243160051 is an equidigital number, since it uses as much as digits as its factorization.

243160051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 243160051 is about 15593.5900613040. The cubic root of 243160051 is about 624.1621207553.

The spelling of 243160051 in words is "two hundred forty-three million, one hundred sixty thousand, fifty-one".