2807825 has 12 divisors (see below), whose sum is σ = 3595008. Its totient is φ = 2173200.

The previous prime is 2807821. The next prime is 2807851. The reversal of 2807825 is 5287082.

It is not a de Polignac number, because 2807825 - 2² = 2807821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2807791 and 2807800.

It is not an unprimeable number, because it can be changed into a prime (2807821) 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, 1037 + ... + 2586.

It is an arithmetic number, because the mean of its divisors is an integer number (299584).

2^2807825 is an apocalyptic number.

2807825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2807825 is a deficient number, since it is larger than the sum of its proper divisors (787183).

2807825 is a wasteful number, since it uses less digits than its factorization.

2807825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3659 counting only the distinct ones).

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

The square root of 2807825 is about 1675.6565877291. The cubic root of 2807825 is about 141.0771504077.

The spelling of 2807825 in words is "two million, eight hundred seven thousand, eight hundred twenty-five".