1002173303 has 2 divisors, whose sum is σ = 1002173304. Its totient is φ = 1002173302.

The previous prime is 1002173287. The next prime is 1002173311. The reversal of 1002173303 is 3033712001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1002173303 - 2⁴ = 1002173287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002173803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501086651 + 501086652.

It is an arithmetic number, because the mean of its divisors is an integer number (501086652).

Almost surely, 2^1002173303 is an apocalyptic number.

1002173303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002173303 is an equidigital number, since it uses as much as digits as its factorization.

1002173303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 1002173303 is about 31657.1208893039. The cubic root of 1002173303 is about 1000.7239101610.

Adding to 1002173303 its reverse (3033712001), we get a palindrome (4035885304).

The spelling of 1002173303 in words is "one billion, two million, one hundred seventy-three thousand, three hundred three".