43425500 has 24 divisors (see below), whose sum is σ = 94842384. Its totient is φ = 17370000.

The previous prime is 43425479. The next prime is 43425523. The reversal of 43425500 is 552434.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42926 + ... + 43925.

It is an arithmetic number, because the mean of its divisors is an integer number (3951766).

Almost surely, 2^43425500 is an apocalyptic number.

It is an amenable number.

43425500 is an abundant number, since it is smaller than the sum of its proper divisors (51416884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43425500 is a wasteful number, since it uses less digits than its factorization.

43425500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86870 (or 86858 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 43425500 is about 6589.8027284586. The cubic root of 43425500 is about 351.4915934365.

Adding to 43425500 its reverse (552434), we get a palindrome (43977934).

The spelling of 43425500 in words is "forty-three million, four hundred twenty-five thousand, five hundred".