4781243 has 2 divisors, whose sum is σ = 4781244. Its totient is φ = 4781242.

The previous prime is 4781237. The next prime is 4781323. The reversal of 4781243 is 3421874.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4781243 - 2¹⁶ = 4715707 is a prime.

It is not a weakly prime, because it can be changed into another prime (4781443) 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, 2390621 + 2390622.

It is an arithmetic number, because the mean of its divisors is an integer number (2390622).

Almost surely, 2^4781243 is an apocalyptic number.

4781243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4781243 is an equidigital number, since it uses as much as digits as its factorization.

4781243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 4781243 is about 2186.6053599129. The cubic root of 4781243 is about 168.4665203055.

The spelling of 4781243 in words is "four million, seven hundred eighty-one thousand, two hundred forty-three".