2043502001 has 4 divisors (see below), whose sum is σ = 2058418212. Its totient is φ = 2028585792.

The previous prime is 2043501979. The next prime is 2043502037. The reversal of 2043502001 is 1002053402.

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 873793600 + 1169708401 = 29560^2 + 34201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043502001 - 2⁶ = 2043501937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043502061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7457900 + ... + 7458173.

It is an arithmetic number, because the mean of its divisors is an integer number (514604553).

Almost surely, 2^2043502001 is an apocalyptic number.

It is an amenable number.

2043502001 is a deficient number, since it is larger than the sum of its proper divisors (14916211).

2043502001 is a wasteful number, since it uses less digits than its factorization.

2043502001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14916210.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2043502001 is about 45205.1103416417. The cubic root of 2043502001 is about 1268.9904558984.

Adding to 2043502001 its reverse (1002053402), we get a palindrome (3045555403).

The spelling of 2043502001 in words is "two billion, forty-three million, five hundred two thousand, one".