43441013 has 16 divisors (see below), whose sum is σ = 55910400. Its totient is φ = 32756400.

The previous prime is 43441007. The next prime is 43441031. The reversal of 43441013 is 31014434.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 43441013 - 2¹⁸ = 43178869 is a prime.

It is a super-2 number, since 2×43441013² = 3774243220932338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43441033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6713 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (3494400).

Almost surely, 2^43441013 is an apocalyptic number.

It is an amenable number.

43441013 is a deficient number, since it is larger than the sum of its proper divisors (12469387).

43441013 is a wasteful number, since it uses less digits than its factorization.

43441013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18248.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 43441013 is about 6590.9796692146. The cubic root of 43441013 is about 351.5334431939.

Adding to 43441013 its reverse (31014434), we get a palindrome (74455447).

The spelling of 43441013 in words is "forty-three million, four hundred forty-one thousand, thirteen".