1045003 has 2 divisors, whose sum is σ = 1045004. Its totient is φ = 1045002.

The previous prime is 1044997. The next prime is 1045013. The reversal of 1045003 is 3005401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1045003 - 2⁵ = 1044971 is a prime.

It is an Ulam number.

1045003 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1045013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522501 + 522502.

It is an arithmetic number, because the mean of its divisors is an integer number (522502).

2^1045003 is an apocalyptic number.

1045003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045003 is an equidigital number, since it uses as much as digits as its factorization.

1045003 is an evil number, because the sum of its binary digits is even.

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

The square root of 1045003 is about 1022.2538823600. The cubic root of 1045003 is about 101.4781432712.

The spelling of 1045003 in words is "one million, forty-five thousand, three".