42643201 has 8 divisors (see below), whose sum is σ = 44948000. Its totient is φ = 40344480.

The previous prime is 42643189. The next prime is 42643207. The reversal of 42643201 is 10234624.

It is a happy number.

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 42643201 - 2⁹ = 42642689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42643207) 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 7 ways as a sum of consecutive naturals, for example, 24250 + ... + 25948.

It is an arithmetic number, because the mean of its divisors is an integer number (5618500).

Almost surely, 2^42643201 is an apocalyptic number.

It is an amenable number.

42643201 is a deficient number, since it is larger than the sum of its proper divisors (2304799).

42643201 is a wasteful number, since it uses less digits than its factorization.

42643201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42643201 is about 6530.1761844532. The cubic root of 42643201 is about 349.3681143097.

Adding to 42643201 its reverse (10234624), we get a palindrome (52877825).

The spelling of 42643201 in words is "forty-two million, six hundred forty-three thousand, two hundred one".