4513225 has 12 divisors (see below), whose sum is σ = 5675356. Its totient is φ = 3559680.

The previous prime is 4513213. The next prime is 4513247. The reversal of 4513225 is 5223154.

It can be written as a sum of positive squares in 6 ways, for example, as 1849 + 4511376 = 43^2 + 2124^2 .

It is not a de Polignac number, because 4513225 - 2⁷ = 4513097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4513196 and 4513205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 589 + ... + 3061.

Almost surely, 2^4513225 is an apocalyptic number.

It is an amenable number.

4513225 is a deficient number, since it is larger than the sum of its proper divisors (1162131).

4513225 is a wasteful number, since it uses less digits than its factorization.

4513225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2551 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 4513225 is about 2124.4352190641. The cubic root of 4513225 is about 165.2579375526.

Adding to 4513225 its reverse (5223154), we get a palindrome (9736379).

The spelling of 4513225 in words is "four million, five hundred thirteen thousand, two hundred twenty-five".