1002263 has 2 divisors, whose sum is σ = 1002264. Its totient is φ = 1002262.

The previous prime is 1002259. The next prime is 1002289. The reversal of 1002263 is 3622001.

It is a weak prime.

It is an emirp because it is prime and its reverse (3622001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1002263 - 2² = 1002259 is a prime.

It is a super-2 number, since 2×1002263² = 2009062242338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501131 + 501132.

It is an arithmetic number, because the mean of its divisors is an integer number (501132).

2^1002263 is an apocalyptic number.

1002263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002263 is an equidigital number, since it uses as much as digits as its factorization.

1002263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1002263 is about 1001.1308605772. The cubic root of 1002263 is about 100.0753765029.

Adding to 1002263 its reverse (3622001), we get a palindrome (4624264).

The spelling of 1002263 in words is "one million, two thousand, two hundred sixty-three".