43425320 has 16 divisors (see below), whose sum is σ = 97707060. Its totient is φ = 17370112.

The previous prime is 43425289. The next prime is 43425329. The reversal of 43425320 is 2352434.

It can be written as a sum of positive squares in 2 ways, for example, as 43270084 + 155236 = 6578^2 + 394^2 .

It is not an unprimeable number, because it can be changed into a prime (43425329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542777 + ... + 542856.

Almost surely, 2^43425320 is an apocalyptic number.

43425320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43425320 is an abundant number, since it is smaller than the sum of its proper divisors (54281740).

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

43425320 is a wasteful number, since it uses less digits than its factorization.

43425320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085644 (or 1085640 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 43425320 is about 6589.7890709794. The cubic root of 43425320 is about 351.4911077881.

Adding to 43425320 its reverse (2352434), we get a palindrome (45777754).

The spelling of 43425320 in words is "forty-three million, four hundred twenty-five thousand, three hundred twenty".