1052003 has 4 divisors (see below), whose sum is σ = 1066488. Its totient is φ = 1037520.

The previous prime is 1051991. The next prime is 1052027. The reversal of 1052003 is 3002501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052003 - 2⁴ = 1051987 is a prime.

It is a super-2 number, since 2×1052003² = 2213420624018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052063) 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, 7133 + ... + 7278.

It is an arithmetic number, because the mean of its divisors is an integer number (266622).

2^1052003 is an apocalyptic number.

1052003 is a deficient number, since it is larger than the sum of its proper divisors (14485).

1052003 is an equidigital number, since it uses as much as digits as its factorization.

1052003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 1052003 is about 1025.6719748536. The cubic root of 1052003 is about 101.7042245302.

Adding to 1052003 its reverse (3002501), we get a palindrome (4054504).

The spelling of 1052003 in words is "one million, fifty-two thousand, three".