43685325 has 96 divisors (see below), whose sum is σ = 87851520. Its totient is φ = 21461760.

The previous prime is 43685321. The next prime is 43685353. The reversal of 43685325 is 52358634.

It is a happy number.

It is not a de Polignac number, because 43685325 - 2² = 43685321 is a prime.

Its product of digits (86400) is a multiple of the sum of its prime divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 43685325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43685321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 929452 + ... + 929498.

It is an arithmetic number, because the mean of its divisors is an integer number (915120).

Almost surely, 2^43685325 is an apocalyptic number.

43685325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43685325 is an abundant number, since it is smaller than the sum of its proper divisors (44166195).

43685325 is an equidigital number, since it uses as much as digits as its factorization.

43685325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 72 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 43685325 is about 6609.4874990426. The cubic root of 43685325 is about 352.1912189563.

The spelling of 43685325 in words is "forty-three million, six hundred eighty-five thousand, three hundred twenty-five".