43242001 has 16 divisors (see below), whose sum is σ = 49978368. Its totient is φ = 37026000.

The previous prime is 43241981. The next prime is 43242013. The reversal of 43242001 is 10024234.

It is not a de Polignac number, because 43242001 - 2⁷ = 43241873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43242041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15676 + ... + 18226.

It is an arithmetic number, because the mean of its divisors is an integer number (3123648).

Almost surely, 2^43242001 is an apocalyptic number.

It is an amenable number.

43242001 is a deficient number, since it is larger than the sum of its proper divisors (6736367).

43242001 is a wasteful number, since it uses less digits than its factorization.

43242001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 43242001 is about 6575.8650381528. The cubic root of 43242001 is about 350.9958062610.

Adding to 43242001 its reverse (10024234), we get a palindrome (53266235).

The spelling of 43242001 in words is "forty-three million, two hundred forty-two thousand, one".