350005 has 4 divisors (see below), whose sum is σ = 420012. Its totient is φ = 280000.

The previous prime is 350003. The next prime is 350029. The reversal of 350005 is 500053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500053 = 71 ⋅7043.

It can be written as a sum of positive squares in 2 ways, for example, as 221841 + 128164 = 471^2 + 358^2 .

It is not a de Polignac number, because 350005 - 2¹ = 350003 is a prime.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350003) 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, 34996 + ... + 35005.

It is an arithmetic number, because the mean of its divisors is an integer number (105003).

2³⁵⁰⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

350005 is a deficient number, since it is larger than the sum of its proper divisors (70007).

350005 is an equidigital number, since it uses as much as digits as its factorization.

350005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70006.

The product of its (nonzero) digits is 75, while the sum is 13.

The square root of 350005 is about 591.6122040661. The cubic root of 350005 is about 70.4733229047.

Adding to 350005 its reverse (500053), we get a palindrome (850058).

The spelling of 350005 in words is "three hundred fifty thousand, five".