4520225 has 12 divisors (see below), whose sum is σ = 5725824. Its totient is φ = 3538320.

The previous prime is 4520183. The next prime is 4520227. The reversal of 4520225 is 5220254.

It is not a de Polignac number, because 4520225 - 2¹⁸ = 4258081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4520197 and 4520206.

It is not an unprimeable number, because it can be changed into a prime (4520227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (477152).

Almost surely, 2^4520225 is an apocalyptic number.

It is an amenable number.

4520225 is a deficient number, since it is larger than the sum of its proper divisors (1205599).

4520225 is a wasteful number, since it uses less digits than its factorization.

4520225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4520225 is about 2126.0820774373. The cubic root of 4520225 is about 165.3433316267.

Adding to 4520225 its reverse (5220254), we get a palindrome (9740479).

The spelling of 4520225 in words is "four million, five hundred twenty thousand, two hundred twenty-five".