43254243 has 12 divisors (see below), whose sum is σ = 64792728. Its totient is φ = 28836000.

The previous prime is 43254229. The next prime is 43254251. The reversal of 43254243 is 34245234.

It is not a de Polignac number, because 43254243 - 2⁴ = 43254227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (43254293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88758 + ... + 89243.

It is an arithmetic number, because the mean of its divisors is an integer number (5399394).

Almost surely, 2^43254243 is an apocalyptic number.

43254243 is a deficient number, since it is larger than the sum of its proper divisors (21538485).

43254243 is an equidigital number, since it uses as much as digits as its factorization.

43254243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178016 (or 178004 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 43254243 is about 6576.7958003879. The cubic root of 43254243 is about 351.0289259528.

Adding to 43254243 its reverse (34245234), we get a palindrome (77499477).

Subtracting from 43254243 its reverse (34245234), we obtain a palindrome (9009009).

The spelling of 43254243 in words is "forty-three million, two hundred fifty-four thousand, two hundred forty-three".