43497043 has 4 divisors (see below), whose sum is σ = 44422560. Its totient is φ = 42571528.

The previous prime is 43497019. The next prime is 43497049. The reversal of 43497043 is 34079434.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43497043 - 2⁵ = 43497011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43497049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462688 + ... + 462781.

It is an arithmetic number, because the mean of its divisors is an integer number (11105640).

Almost surely, 2^43497043 is an apocalyptic number.

43497043 is a deficient number, since it is larger than the sum of its proper divisors (925517).

43497043 is an equidigital number, since it uses as much as digits as its factorization.

43497043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925516.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 43497043 is about 6595.2288057352. The cubic root of 43497043 is about 351.6845136180.

The spelling of 43497043 in words is "forty-three million, four hundred ninety-seven thousand, forty-three".