2808425 has 6 divisors (see below), whose sum is σ = 3482478. Its totient is φ = 2246720.

The previous prime is 2808419. The next prime is 2808427. The reversal of 2808425 is 5248082.

It can be written as a sum of positive squares in 3 ways, for example, as 534361 + 2274064 = 731^2 + 1508^2 .

It is not a de Polignac number, because 2808425 - 2⁶ = 2808361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2808427) 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, 56144 + ... + 56193.

It is an arithmetic number, because the mean of its divisors is an integer number (580413).

2^2808425 is an apocalyptic number.

2808425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2808425 is a deficient number, since it is larger than the sum of its proper divisors (674053).

2808425 is a wasteful number, since it uses less digits than its factorization.

2808425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112347 (or 112342 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 2808425 is about 1675.8356124632. The cubic root of 2808425 is about 141.0871985484.

The spelling of 2808425 in words is "two million, eight hundred eight thousand, four hundred twenty-five".