1002863 has 2 divisors, whose sum is σ = 1002864. Its totient is φ = 1002862.

The previous prime is 1002857. The next prime is 1002871. The reversal of 1002863 is 3682001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1002863 - 2¹⁰ = 1001839 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501431 + 501432.

It is an arithmetic number, because the mean of its divisors is an integer number (501432).

2^1002863 is an apocalyptic number.

1002863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002863 is an equidigital number, since it uses as much as digits as its factorization.

1002863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1002863 is about 1001.4304768680. The cubic root of 1002863 is about 100.0953424027.

Adding to 1002863 its reverse (3682001), we get a palindrome (4684864).

The spelling of 1002863 in words is "one million, two thousand, eight hundred sixty-three".