4280825 has 6 divisors (see below), whose sum is σ = 5308254. Its totient is φ = 3424640.

The previous prime is 4280767. The next prime is 4280827. The reversal of 4280825 is 5280824.

It can be written as a sum of positive squares in 3 ways, for example, as 64 + 4280761 = 8^2 + 2069^2 .

It is not a de Polignac number, because 4280825 - 2²⁰ = 3232249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4280827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85592 + ... + 85641.

It is an arithmetic number, because the mean of its divisors is an integer number (884709).

Almost surely, 2^4280825 is an apocalyptic number.

It is an amenable number.

4280825 is a deficient number, since it is larger than the sum of its proper divisors (1027429).

4280825 is a wasteful number, since it uses less digits than its factorization.

4280825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171243 (or 171238 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 4280825 is about 2069.0154663511. The cubic root of 4280825 is about 162.3712589783.

Subtracting 4280825 from its reverse (5280824), we obtain a palindrome (999999).

The spelling of 4280825 in words is "four million, two hundred eighty thousand, eight hundred twenty-five".