43243025 has 24 divisors (see below), whose sum is σ = 61871040. Its totient is φ = 29367360.

The previous prime is 43243021. The next prime is 43243027. The reversal of 43243025 is 52034234.

It is not a de Polignac number, because 43243025 - 2² = 43243021 is a prime.

It is a super-2 number, since 2×43243025² = 3739918422301250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17942 + ... + 20208.

It is an arithmetic number, because the mean of its divisors is an integer number (2577960).

Almost surely, 2^43243025 is an apocalyptic number.

It is an amenable number.

43243025 is a deficient number, since it is larger than the sum of its proper divisors (18628015).

43243025 is a wasteful number, since it uses less digits than its factorization.

43243025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2388 counting only the distinct ones).

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

The square root of 43243025 is about 6575.9428981706. The cubic root of 43243025 is about 350.9985768456.

Adding to 43243025 its reverse (52034234), we get a palindrome (95277259).

The spelling of 43243025 in words is "forty-three million, two hundred forty-three thousand, twenty-five".