43435225 has 12 divisors (see below), whose sum is σ = 55316524. Its totient is φ = 33808320.

The previous prime is 43435213. The next prime is 43435237. The reversal of 43435225 is 52253434.

43435225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43435213) and next prime (43435237).

It can be written as a sum of positive squares in 6 ways, for example, as 46656 + 43388569 = 216^2 + 6587^2 .

It is not a de Polignac number, because 43435225 - 2¹⁷ = 43304153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43435193 and 43435202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22554 + ... + 24403.

Almost surely, 2^43435225 is an apocalyptic number.

It is an amenable number.

43435225 is a deficient number, since it is larger than the sum of its proper divisors (11881299).

43435225 is a wasteful number, since it uses less digits than its factorization.

43435225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47004 (or 46999 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 43435225 is about 6590.5405696346. The cubic root of 43435225 is about 351.5178299458.

Adding to 43435225 its reverse (52253434), we get a palindrome (95688659).

It can be divided in two parts, 43435 and 225, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 43435225 in words is "forty-three million, four hundred thirty-five thousand, two hundred twenty-five".