43545325 has 12 divisors (see below), whose sum is σ = 56344608. Its totient is φ = 33321200.

The previous prime is 43545323. The next prime is 43545343. The reversal of 43545325 is 52354534.

It is a happy number.

It is not a de Polignac number, because 43545325 - 2¹ = 43545323 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 (43545323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37291 + ... + 38440.

It is an arithmetic number, because the mean of its divisors is an integer number (4695384).

Almost surely, 2^43545325 is an apocalyptic number.

It is an amenable number.

43545325 is a deficient number, since it is larger than the sum of its proper divisors (12799283).

43545325 is a wasteful number, since it uses less digits than its factorization.

43545325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75764 (or 75759 counting only the distinct ones).

The product of its digits is 36000, while the sum is 31.

The square root of 43545325 is about 6598.8881639258. Note that the first 3 decimals coincide. The cubic root of 43545325 is about 351.8145895323.

Adding to 43545325 its reverse (52354534), we get a palindrome (95899859).

The spelling of 43545325 in words is "forty-three million, five hundred forty-five thousand, three hundred twenty-five".