3280025 has 12 divisors (see below), whose sum is σ = 4648512. Its totient is φ = 2249040.

The previous prime is 3280009. The next prime is 3280033. The reversal of 3280025 is 5200823.

It is not a de Polignac number, because 3280025 - 2⁴ = 3280009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3279979 and 3280006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9197 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (387376).

Almost surely, 2^3280025 is an apocalyptic number.

3280025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3280025 is a deficient number, since it is larger than the sum of its proper divisors (1368487).

3280025 is a wasteful number, since it uses less digits than its factorization.

3280025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18760 (or 18755 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3280025 is about 1811.0839295847. The cubic root of 3280025 is about 148.5795543157.

Adding to 3280025 its reverse (5200823), we get a palindrome (8480848).

The spelling of 3280025 in words is "three million, two hundred eighty thousand, twenty-five".