43438425 has 12 divisors (see below), whose sum is σ = 71818320. Its totient is φ = 23167120.

The previous prime is 43438411. The next prime is 43438441. The reversal of 43438425 is 52483434.

43438425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43438425 - 2⁸ = 43438169 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 289515 + ... + 289664.

It is an arithmetic number, because the mean of its divisors is an integer number (5984860).

Almost surely, 2^43438425 is an apocalyptic number.

It is an amenable number.

43438425 is a deficient number, since it is larger than the sum of its proper divisors (28379895).

43438425 is a wasteful number, since it uses less digits than its factorization.

43438425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579192 (or 579187 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 43438425 is about 6590.7833373583. The cubic root of 43438425 is about 351.5264621825.

The spelling of 43438425 in words is "forty-three million, four hundred thirty-eight thousand, four hundred twenty-five".