801263 has 4 divisors (see below), whose sum is σ = 820848. Its totient is φ = 781680.

The previous prime is 801247. The next prime is 801277. The reversal of 801263 is 362108.

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 801263 - 2⁴ = 801247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 801263.

It is not an unprimeable number, because it can be changed into a prime (801293) 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, 9731 + ... + 9812.

It is an arithmetic number, because the mean of its divisors is an integer number (205212).

2⁸⁰¹²⁶³ is an apocalyptic number.

801263 is a deficient number, since it is larger than the sum of its proper divisors (19585).

801263 is a wasteful number, since it uses less digits than its factorization.

801263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19584.

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

The square root of 801263 is about 895.1329510190. The cubic root of 801263 is about 92.8806037085.

The spelling of 801263 in words is "eight hundred one thousand, two hundred sixty-three".