1006263 has 24 divisors (see below), whose sum is σ = 1559376. Its totient is φ = 648000.

The previous prime is 1006253. The next prime is 1006267. The reversal of 1006263 is 3626001.

It is a happy number.

It is not a de Polignac number, because 1006263 - 2⁵ = 1006231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9913 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (64974).

2^1006263 is an apocalyptic number.

1006263 is a deficient number, since it is larger than the sum of its proper divisors (553113).

1006263 is an equidigital number, since it uses as much as digits as its factorization.

1006263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1006263 is about 1003.1266121482. The cubic root of 1006263 is about 100.2083323416.

The spelling of 1006263 in words is "one million, six thousand, two hundred sixty-three".