1045252003 has 4 divisors (see below), whose sum is σ = 1045691920. Its totient is φ = 1044812088.

The previous prime is 1045251983. The next prime is 1045252027. The reversal of 1045252003 is 3002525401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1045252003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045252303) 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, 216375 + ... + 221152.

It is an arithmetic number, because the mean of its divisors is an integer number (261422980).

Almost surely, 2^1045252003 is an apocalyptic number.

1045252003 is a deficient number, since it is larger than the sum of its proper divisors (439917).

1045252003 is an equidigital number, since it uses as much as digits as its factorization.

1045252003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439916.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1045252003 is about 32330.3572977473. The cubic root of 1045252003 is about 1014.8620269152.

Adding to 1045252003 its reverse (3002525401), we get a palindrome (4047777404).

The spelling of 1045252003 in words is "one billion, forty-five million, two hundred fifty-two thousand, three".