43242005 has 16 divisors (see below), whose sum is σ = 54811200. Its totient is φ = 32659200.

The previous prime is 43241981. The next prime is 43242013. The reversal of 43242005 is 50024234.

It is not a de Polignac number, because 43242005 - 2⁶ = 43241941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35405 + ... + 36605.

It is an arithmetic number, because the mean of its divisors is an integer number (3425700).

Almost surely, 2^43242005 is an apocalyptic number.

It is an amenable number.

43242005 is a deficient number, since it is larger than the sum of its proper divisors (11569195).

43242005 is a wasteful number, since it uses less digits than its factorization.

43242005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 43242005 is about 6575.8653422953. The cubic root of 43242005 is about 350.9958170837.

Adding to 43242005 its reverse (50024234), we get a palindrome (93266239).

The spelling of 43242005 in words is "forty-three million, two hundred forty-two thousand, five".