4180243 has 2 divisors, whose sum is σ = 4180244. Its totient is φ = 4180242.

The previous prime is 4180229. The next prime is 4180271. The reversal of 4180243 is 3420814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4180243 - 2⁹ = 4179731 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (4180343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090121 + 2090122.

It is an arithmetic number, because the mean of its divisors is an integer number (2090122).

Almost surely, 2^4180243 is an apocalyptic number.

4180243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4180243 is an equidigital number, since it uses as much as digits as its factorization.

4180243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4180243 is about 2044.5642567550. The cubic root of 4180243 is about 161.0894787003.

The spelling of 4180243 in words is "four million, one hundred eighty thousand, two hundred forty-three".