1000063 has 4 divisors (see below), whose sum is σ = 1043568. Its totient is φ = 956560.

The previous prime is 1000039. The next prime is 1000081. The reversal of 1000063 is 3600001.

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

It is a cyclic number.

It is not a de Polignac number, because 1000063 - 2¹³ = 991871 is a prime.

It is an Ulam number.

It is a Duffinian number.

1000063 is a modest number, since divided by 63 gives 1 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21718 + ... + 21763.

It is an arithmetic number, because the mean of its divisors is an integer number (260892).

2^1000063 is an apocalyptic number.

1000063 is a deficient number, since it is larger than the sum of its proper divisors (43505).

1000063 is an equidigital number, since it uses as much as digits as its factorization.

1000063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43504.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1000063 is about 1000.0314995039. The cubic root of 1000063 is about 100.0020999559.

Adding to 1000063 its reverse (3600001), we get a palindrome (4600064).

The spelling of 1000063 in words is "one million, sixty-three", and thus it is an aban number and an uban number.