2054005 has 4 divisors (see below), whose sum is σ = 2464812. Its totient is φ = 1643200.

The previous prime is 2053979. The next prime is 2054009. The reversal of 2054005 is 5004502.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5004502 = 2 ⋅2502251.

It can be written as a sum of positive squares in 2 ways, for example, as 358801 + 1695204 = 599^2 + 1302^2 .

It is not a de Polignac number, because 2054005 - 2¹⁵ = 2021237 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 2054005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205396 + ... + 205405.

It is an arithmetic number, because the mean of its divisors is an integer number (616203).

2^2054005 is an apocalyptic number.

It is an amenable number.

2054005 is a deficient number, since it is larger than the sum of its proper divisors (410807).

2054005 is an equidigital number, since it uses as much as digits as its factorization.

2054005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410806.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 2054005 is about 1433.1800305614. The cubic root of 2054005 is about 127.1160820973.

Adding to 2054005 its reverse (5004502), we get a palindrome (7058507).

The spelling of 2054005 in words is "two million, fifty-four thousand, five".