2600005 has 8 divisors (see below), whose sum is σ = 3131424. Its totient is φ = 2072400.

The previous prime is 2599999. The next prime is 2600011. The reversal of 2600005 is 5000062.

2600005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2599999) and next prime (2600011).

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

It is not a de Polignac number, because 2600005 - 2⁵ = 2599973 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 870 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (391428).

2^2600005 is an apocalyptic number.

It is an amenable number.

2600005 is a deficient number, since it is larger than the sum of its proper divisors (531419).

2600005 is a wasteful number, since it uses less digits than its factorization.

2600005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 2600005 is about 1612.4531000931. The cubic root of 2600005 is about 137.5069748528.

Adding to 2600005 its reverse (5000062), we get a palindrome (7600067).

The spelling of 2600005 in words is "two million, six hundred thousand, five".