2003287873 has 4 divisors (see below), whose sum is σ = 2033187760. Its totient is φ = 1973387988.

The previous prime is 2003287841. The next prime is 2003287883. The reversal of 2003287873 is 3787823002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3787823002 = 2 ⋅1893911501.

It is a cyclic number.

It is not a de Polignac number, because 2003287873 - 2⁵ = 2003287841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003287883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14949843 + ... + 14949976.

It is an arithmetic number, because the mean of its divisors is an integer number (508296940).

Almost surely, 2^2003287873 is an apocalyptic number.

It is an amenable number.

2003287873 is a deficient number, since it is larger than the sum of its proper divisors (29899887).

2003287873 is an equidigital number, since it uses as much as digits as its factorization.

2003287873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29899886.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 2003287873 is about 44758.1039924615. The cubic root of 2003287873 is about 1260.6110819769.

The spelling of 2003287873 in words is "two billion, three million, two hundred eighty-seven thousand, eight hundred seventy-three".