43304013 has 12 divisors (see below), whose sum is σ = 62615488. Its totient is φ = 28839240.

The previous prime is 43304011. The next prime is 43304033. The reversal of 43304013 is 31040334.

It is not a de Polignac number, because 43304013 - 2¹ = 43304011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43304011) 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 11 ways as a sum of consecutive naturals, for example, 9756 + ... + 13482.

Almost surely, 2^43304013 is an apocalyptic number.

It is an amenable number.

43304013 is a deficient number, since it is larger than the sum of its proper divisors (19311475).

43304013 is a wasteful number, since it uses less digits than its factorization.

43304013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5024 (or 5021 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 43304013 is about 6580.5784700131. The cubic root of 43304013 is about 351.1635101530.

Adding to 43304013 its reverse (31040334), we get a palindrome (74344347).

The spelling of 43304013 in words is "forty-three million, three hundred four thousand, thirteen".