1000252003 has 4 divisors (see below), whose sum is σ = 1001986120. Its totient is φ = 998517888.

The previous prime is 1000251997. The next prime is 1000252027. The reversal of 1000252003 is 3002520001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3002520001 = 13 ⋅230963077.

It is a cyclic number.

It is not a de Polignac number, because 1000252003 - 2⁵ = 1000251971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000252063) 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, 866193 + ... + 867346.

It is an arithmetic number, because the mean of its divisors is an integer number (250496530).

Almost surely, 2^1000252003 is an apocalyptic number.

1000252003 is a deficient number, since it is larger than the sum of its proper divisors (1734117).

1000252003 is an equidigital number, since it uses as much as digits as its factorization.

1000252003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734116.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1000252003 is about 31626.7608679738. The cubic root of 1000252003 is about 1000.0839939448.

Adding to 1000252003 its reverse (3002520001), we get a palindrome (4002772004).

The spelling of 1000252003 in words is "one billion, two hundred fifty-two thousand, three".