43054513 has 4 divisors (see below), whose sum is σ = 45320560. Its totient is φ = 40788468.

The previous prime is 43054499. The next prime is 43054537. The reversal of 43054513 is 31545034.

43054513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31545034 = 2 ⋅15772517.

It is a cyclic number.

It is not a de Polignac number, because 43054513 - 2⁹ = 43054001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43054573) 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 in 3 ways as a sum of consecutive naturals, for example, 1132995 + ... + 1133032.

It is an arithmetic number, because the mean of its divisors is an integer number (11330140).

Almost surely, 2^43054513 is an apocalyptic number.

It is an amenable number.

43054513 is a deficient number, since it is larger than the sum of its proper divisors (2266047).

43054513 is a wasteful number, since it uses less digits than its factorization.

43054513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266046.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 43054513 is about 6561.5937850495. The cubic root of 43054513 is about 350.4877906048.

Adding to 43054513 its reverse (31545034), we get a palindrome (74599547).

The spelling of 43054513 in words is "forty-three million, fifty-four thousand, five hundred thirteen".