2078825 has 18 divisors (see below), whose sum is σ = 3000366. Its totient is φ = 1424640.

The previous prime is 2078801. The next prime is 2078827. The reversal of 2078825 is 5288702.

It can be written as a sum of positive squares in 3 ways, for example, as 561001 + 1517824 = 749^2 + 1232^2 .

It is not a de Polignac number, because 2078825 - 2¹⁶ = 2013289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2078791 and 2078800.

It is not an unprimeable number, because it can be changed into a prime (2078827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 377 + ... + 2073.

It is an arithmetic number, because the mean of its divisors is an integer number (166687).

2^2078825 is an apocalyptic number.

2078825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2078825 is a deficient number, since it is larger than the sum of its proper divisors (921541).

2078825 is a wasteful number, since it uses less digits than its factorization.

2078825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2078825 is about 1441.8130946832. The cubic root of 2078825 is about 127.6260447748.

The spelling of 2078825 in words is "two million, seventy-eight thousand, eight hundred twenty-five".