243406411 has 2 divisors, whose sum is σ = 243406412. Its totient is φ = 243406410.

The previous prime is 243406399. The next prime is 243406417. The reversal of 243406411 is 114604342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243406411 - 2⁵ = 243406379 is a prime.

It is not a weakly prime, because it can be changed into another prime (243406417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121703205 + 121703206.

It is an arithmetic number, because the mean of its divisors is an integer number (121703206).

Almost surely, 2^243406411 is an apocalyptic number.

243406411 is a deficient number, since it is larger than the sum of its proper divisors (1).

243406411 is an equidigital number, since it uses as much as digits as its factorization.

243406411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 243406411 is about 15601.4874611365. The cubic root of 243406411 is about 624.3728416063.

The spelling of 243406411 in words is "two hundred forty-three million, four hundred six thousand, four hundred eleven".