2850005 has 4 divisors (see below), whose sum is σ = 3420012. Its totient is φ = 2280000.

The previous prime is 2849989. The next prime is 2850013. The reversal of 2850005 is 5000582.

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 677329 + 2172676 = 823^2 + 1474^2 .

It is not a de Polignac number, because 2850005 - 2⁴ = 2849989 is a prime.

It is a Duffinian 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, 284996 + ... + 285005.

It is an arithmetic number, because the mean of its divisors is an integer number (855003).

2^2850005 is an apocalyptic number.

It is an amenable number.

2850005 is a deficient number, since it is larger than the sum of its proper divisors (570007).

2850005 is an equidigital number, since it uses as much as digits as its factorization.

2850005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570006.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2850005 is about 1688.1957824850. The cubic root of 2850005 is about 141.7800768140.

Adding to 2850005 its reverse (5000582), we get a palindrome (7850587).

The spelling of 2850005 in words is "two million, eight hundred fifty thousand, five".