4218325 has 12 divisors (see below), whose sum is σ = 5400448. Its totient is φ = 3265200.

The previous prime is 4218317. The next prime is 4218349. The reversal of 4218325 is 5238124.

It is not a de Polignac number, because 4218325 - 2³ = 4218317 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 4⁶ + 2¹¹ + 1 + 8² + 3⁷ + 2²² + 5⁶ .

4218325 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4218325.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1947 + ... + 3496.

Almost surely, 2^4218325 is an apocalyptic number.

It is an amenable number.

4218325 is a deficient number, since it is larger than the sum of its proper divisors (1182123).

4218325 is a wasteful number, since it uses less digits than its factorization.

4218325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5479 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 4218325 is about 2053.8561293333. The cubic root of 4218325 is about 161.5771755865.

The spelling of 4218325 in words is "four million, two hundred eighteen thousand, three hundred twenty-five".