2015005 has 4 divisors (see below), whose sum is σ = 2418012. Its totient is φ = 1612000.

The previous prime is 2014997. The next prime is 2015011. The reversal of 2015005 is 5005102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5005102 = 2 ⋅2502551.

It can be written as a sum of positive squares in 2 ways, for example, as 674041 + 1340964 = 821^2 + 1158^2 .

It is not a de Polignac number, because 2015005 - 2³ = 2014997 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.

2015005 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201496 + ... + 201505.

It is an arithmetic number, because the mean of its divisors is an integer number (604503).

2^2015005 is an apocalyptic number.

It is an amenable number.

2015005 is a deficient number, since it is larger than the sum of its proper divisors (403007).

2015005 is an equidigital number, since it uses as much as digits as its factorization.

2015005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403006.

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 2015005 is about 1419.5087178316. The cubic root of 2015005 is about 126.3064055377.

The spelling of 2015005 in words is "two million, fifteen thousand, five".