43081225 has 12 divisors (see below), whose sum is σ = 58277520. Its totient is φ = 31331600.

The previous prime is 43081223. The next prime is 43081253. The reversal of 43081225 is 52218034.

It is not a de Polignac number, because 43081225 - 2¹ = 43081223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 43081225.

It is not an unprimeable number, because it can be changed into a prime (43081223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78055 + ... + 78604.

It is an arithmetic number, because the mean of its divisors is an integer number (4856460).

Almost surely, 2^43081225 is an apocalyptic number.

It is an amenable number.

43081225 is a deficient number, since it is larger than the sum of its proper divisors (15196295).

43081225 is a wasteful number, since it uses less digits than its factorization.

43081225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156680 (or 156675 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 43081225 is about 6563.6289505121. The cubic root of 43081225 is about 350.5602591546.

Adding to 43081225 its reverse (52218034), we get a palindrome (95299259).

The spelling of 43081225 in words is "forty-three million, eighty-one thousand, two hundred twenty-five".