43320125 has 8 divisors (see below), whose sum is σ = 54063672. Its totient is φ = 34656000.

The previous prime is 43320119. The next prime is 43320143. The reversal of 43320125 is 52102334.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1923769 + 41396356 = 1387^2 + 6434^2 .

It is not a de Polignac number, because 43320125 - 2⁶ = 43320061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43320097 and 43320106.

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, 173156 + ... + 173405.

It is an arithmetic number, because the mean of its divisors is an integer number (6757959).

Almost surely, 2^43320125 is an apocalyptic number.

It is an amenable number.

43320125 is a deficient number, since it is larger than the sum of its proper divisors (10743547).

43320125 is an equidigital number, since it uses as much as digits as its factorization.

43320125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346576 (or 346566 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 43320125 is about 6581.8025646475. The cubic root of 43320125 is about 351.2070568862.

Adding to 43320125 its reverse (52102334), we get a palindrome (95422459).

The spelling of 43320125 in words is "forty-three million, three hundred twenty thousand, one hundred twenty-five".