2982721001 has 4 divisors (see below), whose sum is σ = 3212161092. Its totient is φ = 2753280912.

The previous prime is 2982720989. The next prime is 2982721031. The reversal of 2982721001 is 1001272892.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 239475625 + 2743245376 = 15475^2 + 52376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2982721001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2982721031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114720026 + ... + 114720051.

It is an arithmetic number, because the mean of its divisors is an integer number (803040273).

Almost surely, 2^2982721001 is an apocalyptic number.

It is an amenable number.

2982721001 is a deficient number, since it is larger than the sum of its proper divisors (229440091).

2982721001 is a wasteful number, since it uses less digits than its factorization.

2982721001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229440090.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 2982721001 is about 54614.2930101636. The cubic root of 2982721001 is about 1439.4752783737.

Adding to 2982721001 its reverse (1001272892), we get a palindrome (3983993893).

The spelling of 2982721001 in words is "two billion, nine hundred eighty-two million, seven hundred twenty-one thousand, one".