2135005 has 4 divisors (see below), whose sum is σ = 2562012. Its totient is φ = 1708000.

The previous prime is 2134991. The next prime is 2135017. The reversal of 2135005 is 5005312.

2135005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 737881 + 1397124 = 859^2 + 1182^2 .

It is not a de Polignac number, because 2135005 - 2¹¹ = 2132957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2135005.

It is a congruent number.

It is an unprimeable number.

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, 213496 + ... + 213505.

It is an arithmetic number, because the mean of its divisors is an integer number (640503).

2^2135005 is an apocalyptic number.

It is an amenable number.

2135005 is a deficient number, since it is larger than the sum of its proper divisors (427007).

2135005 is an equidigital number, since it uses as much as digits as its factorization.

2135005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427006.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2135005 is about 1461.1656305840. The cubic root of 2135005 is about 128.7655336774.

The spelling of 2135005 in words is "two million, one hundred thirty-five thousand, five".