4381043 has 2 divisors, whose sum is σ = 4381044. Its totient is φ = 4381042.

The previous prime is 4381031. The next prime is 4381049. The reversal of 4381043 is 3401834.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4381043 - 2⁶ = 4380979 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4381049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2190521 + 2190522.

It is an arithmetic number, because the mean of its divisors is an integer number (2190522).

Almost surely, 2^4381043 is an apocalyptic number.

4381043 is a deficient number, since it is larger than the sum of its proper divisors (1).

4381043 is an equidigital number, since it uses as much as digits as its factorization.

4381043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4381043 is about 2093.0941211517. The cubic root of 4381043 is about 163.6285839268.

Adding to 4381043 its reverse (3401834), we get a palindrome (7782877).

The spelling of 4381043 in words is "four million, three hundred eighty-one thousand, forty-three".