4002825 has 36 divisors (see below), whose sum is σ = 7100240. Its totient is φ = 1984320.

The previous prime is 4002821. The next prime is 4002829. The reversal of 4002825 is 5282004.

It is an interprime number because it is at equal distance from previous prime (4002821) and next prime (4002829).

It is not a de Polignac number, because 4002825 - 2² = 4002821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4002821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75499 + ... + 75551.

Almost surely, 2^4002825 is an apocalyptic number.

It is an amenable number.

4002825 is a deficient number, since it is larger than the sum of its proper divisors (3097415).

4002825 is a wasteful number, since it uses less digits than its factorization.

4002825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4002825 is about 2000.7061253467. The cubic root of 4002825 is about 158.7774664692. Note that the first 3 decimals are identical.

Adding to 4002825 its reverse (5282004), we get a palindrome (9284829).

The spelling of 4002825 in words is "four million, two thousand, eight hundred twenty-five".