7028825 has 6 divisors (see below), whose sum is σ = 8715774. Its totient is φ = 5623040.

The previous prime is 7028797. The next prime is 7028831. The reversal of 7028825 is 5288207.

7028825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1024 + 7027801 = 32^2 + 2651^2 .

It is not a de Polignac number, because 7028825 - 2⁶ = 7028761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7028791 and 7028800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140552 + ... + 140601.

It is an arithmetic number, because the mean of its divisors is an integer number (1452629).

Almost surely, 2^7028825 is an apocalyptic number.

It is an amenable number.

7028825 is a deficient number, since it is larger than the sum of its proper divisors (1686949).

7028825 is a wasteful number, since it uses less digits than its factorization.

7028825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281163 (or 281158 counting only the distinct ones).

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

The square root of 7028825 is about 2651.1931276314. The cubic root of 7028825 is about 191.5553312652. Note that the first 3 decimals are identical.

The spelling of 7028825 in words is "seven million, twenty-eight thousand, eight hundred twenty-five".