43628425 has 6 divisors (see below), whose sum is σ = 54099278. Its totient is φ = 34902720.

The previous prime is 43628413. The next prime is 43628467. The reversal of 43628425 is 52482634.

It can be written as a sum of positive squares in 3 ways, for example, as 1806336 + 41822089 = 1344^2 + 6467^2 .

It is not a de Polignac number, because 43628425 - 2¹⁷ = 43497353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 872544 + ... + 872593.

Almost surely, 2^43628425 is an apocalyptic number.

It is an amenable number.

43628425 is a deficient number, since it is larger than the sum of its proper divisors (10470853).

43628425 is a wasteful number, since it uses less digits than its factorization.

43628425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745147 (or 1745142 counting only the distinct ones).

The product of its digits is 46080, while the sum is 34.

The square root of 43628425 is about 6605.1816780464. The cubic root of 43628425 is about 352.0382431977.

The spelling of 43628425 in words is "forty-three million, six hundred twenty-eight thousand, four hundred twenty-five".