2808325 has 12 divisors (see below), whose sum is σ = 3750628. Its totient is φ = 2073600.

The previous prime is 2808319. The next prime is 2808329. The reversal of 2808325 is 5238082.

It can be written as a sum of positive squares in 6 ways, for example, as 1018081 + 1790244 = 1009^2 + 1338^2 .

It is not a de Polignac number, because 2808325 - 2⁵ = 2808293 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

2808325 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2808293 and 2808302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3996 + ... + 4645.

2^2808325 is an apocalyptic number.

2808325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2808325 is a deficient number, since it is larger than the sum of its proper divisors (942303).

2808325 is a wasteful number, since it uses less digits than its factorization.

2808325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8664 (or 8659 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 2808325 is about 1675.8057763357. The cubic root of 2808325 is about 141.0855239576.

The spelling of 2808325 in words is "two million, eight hundred eight thousand, three hundred twenty-five".