2705825 has 6 divisors (see below), whose sum is σ = 3355254. Its totient is φ = 2164640.

The previous prime is 2705821. The next prime is 2705827. The reversal of 2705825 is 5285072.

It can be written as a sum of positive squares in 3 ways, for example, as 358801 + 2347024 = 599^2 + 1532^2 .

It is not a de Polignac number, because 2705825 - 2² = 2705821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2705821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54092 + ... + 54141.

It is an arithmetic number, because the mean of its divisors is an integer number (559209).

2^2705825 is an apocalyptic number.

2705825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2705825 is a deficient number, since it is larger than the sum of its proper divisors (649429).

2705825 is a wasteful number, since it uses less digits than its factorization.

2705825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108243 (or 108238 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2705825 is about 1644.9392086032. The cubic root of 2705825 is about 139.3477310631.

The spelling of 2705825 in words is "two million, seven hundred five thousand, eight hundred twenty-five".