801013 has 4 divisors (see below), whose sum is σ = 822700. Its totient is φ = 779328.

The previous prime is 801011. The next prime is 801019. The reversal of 801013 is 310108.

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

It can be written as a sum of positive squares in 2 ways, for example, as 528529 + 272484 = 727^2 + 522^2 .

It is a cyclic number.

It is not a de Polignac number, because 801013 - 2¹ = 801011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 800984 and 801002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10788 + ... + 10861.

It is an arithmetic number, because the mean of its divisors is an integer number (205675).

2⁸⁰¹⁰¹³ is an apocalyptic number.

It is an amenable number.

801013 is a deficient number, since it is larger than the sum of its proper divisors (21687).

801013 is a wasteful number, since it uses less digits than its factorization.

801013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21686.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 801013 is about 894.9932960643. The cubic root of 801013 is about 92.8709428912.

The spelling of 801013 in words is "eight hundred one thousand, thirteen".