43397125 has 8 divisors (see below), whose sum is σ = 54159768. Its totient is φ = 34717600.

The previous prime is 43397119. The next prime is 43397129. The reversal of 43397125 is 52179334.

It can be written as a sum of positive squares in 4 ways, for example, as 1004004 + 42393121 = 1002^2 + 6511^2 .

It is a de Polignac number, because none of the positive numbers 2^k-43397125 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43397129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173464 + ... + 173713.

It is an arithmetic number, because the mean of its divisors is an integer number (6769971).

Almost surely, 2^43397125 is an apocalyptic number.

It is an amenable number.

43397125 is a deficient number, since it is larger than the sum of its proper divisors (10762643).

43397125 is an equidigital number, since it uses as much as digits as its factorization.

43397125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347192 (or 347182 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 43397125 is about 6587.6494290452. The cubic root of 43397125 is about 351.4150197869.

The spelling of 43397125 in words is "forty-three million, three hundred ninety-seven thousand, one hundred twenty-five".