43488225 has 48 divisors (see below), whose sum is σ = 87167040. Its totient is φ = 21081600.

The previous prime is 43488223. The next prime is 43488241. The reversal of 43488225 is 52288434.

43488225 = 908² + 909² + ... + 957².

It is not a de Polignac number, because 43488225 - 2¹ = 43488223 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 43488225.

It is not an unprimeable number, because it can be changed into a prime (43488223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4497 + ... + 10353.

It is an arithmetic number, because the mean of its divisors is an integer number (1815980).

Almost surely, 2^43488225 is an apocalyptic number.

43488225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43488225 is an abundant number, since it is smaller than the sum of its proper divisors (43678815).

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

43488225 is a wasteful number, since it uses less digits than its factorization.

43488225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887 (or 5876 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 43488225 is about 6594.5602582735. The cubic root of 43488225 is about 351.6607467639.

The spelling of 43488225 in words is "forty-three million, four hundred eighty-eight thousand, two hundred twenty-five".