43004141 has 4 divisors (see below), whose sum is σ = 43094400. Its totient is φ = 42913884.

The previous prime is 43004131. The next prime is 43004173. The reversal of 43004141 is 14140034.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43004141 - 2¹⁰ = 43003117 is a prime.

It is a super-2 number, since 2×43004141² = 3698712286295762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43004131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44411 + ... + 45368.

It is an arithmetic number, because the mean of its divisors is an integer number (10773600).

Almost surely, 2^43004141 is an apocalyptic number.

It is an amenable number.

43004141 is a deficient number, since it is larger than the sum of its proper divisors (90259).

43004141 is an equidigital number, since it uses as much as digits as its factorization.

43004141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90258.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43004141 is about 6557.7542649904. The cubic root of 43004141 is about 350.3510518570.

Adding to 43004141 its reverse (14140034), we get a palindrome (57144175).

The spelling of 43004141 in words is "forty-three million, four thousand, one hundred forty-one".