43253243 has 8 divisors (see below), whose sum is σ = 47367936. Its totient is φ = 39169000.

The previous prime is 43253233. The next prime is 43253251. The reversal of 43253243 is 34235234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43253243 - 2¹² = 43249147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43253233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4583 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (5920992).

Almost surely, 2^43253243 is an apocalyptic number.

43253243 is a deficient number, since it is larger than the sum of its proper divisors (4114693).

43253243 is a wasteful number, since it uses less digits than its factorization.

43253243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15225.

The product of its digits is 8640, while the sum is 26.

The square root of 43253243 is about 6576.7197750854. The cubic root of 43253243 is about 351.0262207721.

Adding to 43253243 its reverse (34235234), we get a palindrome (77488477).

Subtracting from 43253243 its reverse (34235234), we obtain a square (9018009 = 3003²).

The spelling of 43253243 in words is "forty-three million, two hundred fifty-three thousand, two hundred forty-three".