8102825 has 6 divisors (see below), whose sum is σ = 10047534. Its totient is φ = 6482240.

The previous prime is 8102821. The next prime is 8102849. The reversal of 8102825 is 5282018.

It can be written as a sum of positive squares in 3 ways, for example, as 246016 + 7856809 = 496^2 + 2803^2 .

It is not a de Polignac number, because 8102825 - 2² = 8102821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8102794 and 8102803.

It is not an unprimeable number, because it can be changed into a prime (8102821) 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, 162032 + ... + 162081.

It is an arithmetic number, because the mean of its divisors is an integer number (1674589).

Almost surely, 2^8102825 is an apocalyptic number.

It is an amenable number.

8102825 is a deficient number, since it is larger than the sum of its proper divisors (1944709).

8102825 is a wasteful number, since it uses less digits than its factorization.

8102825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324123 (or 324118 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 8102825 is about 2846.5461527964. The cubic root of 8102825 is about 200.8532298181.

The spelling of 8102825 in words is "eight million, one hundred two thousand, eight hundred twenty-five".