2042543001 has 8 divisors (see below), whose sum is σ = 2743269984. Its totient is φ = 1351755680.

The previous prime is 2042542987. The next prime is 2042543003. The reversal of 2042543001 is 1003452402.

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 2042543001 - 2⁶ = 2042542937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2042543003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2484435 + ... + 2485256.

It is an arithmetic number, because the mean of its divisors is an integer number (342908748).

Almost surely, 2^2042543001 is an apocalyptic number.

It is an amenable number.

2042543001 is a deficient number, since it is larger than the sum of its proper divisors (700726983).

2042543001 is a wasteful number, since it uses less digits than its factorization.

2042543001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969831.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2042543001 is about 45194.5018890573. The cubic root of 2042543001 is about 1268.7919156366.

Adding to 2042543001 its reverse (1003452402), we get a palindrome (3045995403).

The spelling of 2042543001 in words is "two billion, forty-two million, five hundred forty-three thousand, one".