43425349 has 4 divisors (see below), whose sum is σ = 47373120. Its totient is φ = 39477580.

The previous prime is 43425341. The next prime is 43425353. The reversal of 43425349 is 94352434.

It is a happy number.

43425349 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.

It is a cyclic number.

It is not a de Polignac number, because 43425349 - 2³ = 43425341 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 (43425341) 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, 1973869 + ... + 1973890.

It is an arithmetic number, because the mean of its divisors is an integer number (11843280).

Almost surely, 2^43425349 is an apocalyptic number.

It is an amenable number.

43425349 is a deficient number, since it is larger than the sum of its proper divisors (3947771).

43425349 is a wasteful number, since it uses less digits than its factorization.

43425349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947770.

The product of its digits is 51840, while the sum is 34.

The square root of 43425349 is about 6589.7912713530. The cubic root of 43425349 is about 351.4911860315.

The spelling of 43425349 in words is "forty-three million, four hundred twenty-five thousand, three hundred forty-nine".