4102825 has 6 divisors (see below), whose sum is σ = 5087534. Its totient is φ = 3282240.

The previous prime is 4102823. The next prime is 4102843. The reversal of 4102825 is 5282014.

It can be written as a sum of positive squares in 3 ways, for example, as 385641 + 3717184 = 621^2 + 1928^2 .

It is not a de Polignac number, because 4102825 - 2¹ = 4102823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4102796 and 4102805.

It is not an unprimeable number, because it can be changed into a prime (4102823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82032 + ... + 82081.

Almost surely, 2^4102825 is an apocalyptic number.

It is an amenable number.

4102825 is a deficient number, since it is larger than the sum of its proper divisors (984709).

4102825 is a wasteful number, since it uses less digits than its factorization.

4102825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164123 (or 164118 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4102825 is about 2025.5431370376. The cubic root of 4102825 is about 160.0888178745.

Adding to 4102825 its reverse (5282014), we get a palindrome (9384839).

The spelling of 4102825 in words is "four million, one hundred two thousand, eight hundred twenty-five".