800051 has 8 divisors (see below), whose sum is σ = 939360. Its totient is φ = 667008.

The previous prime is 800029. The next prime is 800053. The reversal of 800051 is 150008.

800051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 799999 and 800035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1286 + ... + 1803.

It is an arithmetic number, because the mean of its divisors is an integer number (117420).

2⁸⁰⁰⁰⁵¹ is an apocalyptic number.

800051 is a deficient number, since it is larger than the sum of its proper divisors (139309).

800051 is a wasteful number, since it uses less digits than its factorization.

800051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 800051 is about 894.4557004123. The cubic root of 800051 is about 92.8337493056.

Adding to 800051 its reverse (150008), we get a palindrome (950059).

The spelling of 800051 in words is "eight hundred thousand, fifty-one".