4515225 has 48 divisors (see below), whose sum is σ = 8791104. Its totient is φ = 2016000.

The previous prime is 4515209. The next prime is 4515227. The reversal of 4515225 is 5225154.

It is a happy number.

It is not a de Polignac number, because 4515225 - 2⁴ = 4515209 is a prime.

4515225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4515195 and 4515204.

It is not an unprimeable number, because it can be changed into a prime (4515227) 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 47 ways as a sum of consecutive naturals, for example, 10515 + ... + 10935.

It is an arithmetic number, because the mean of its divisors is an integer number (183148).

Almost surely, 2^4515225 is an apocalyptic number.

It is an amenable number.

4515225 is a deficient number, since it is larger than the sum of its proper divisors (4275879).

4515225 is a wasteful number, since it uses less digits than its factorization.

4515225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 453 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 4515225 is about 2124.9058802686. The cubic root of 4515225 is about 165.2823448641.

The spelling of 4515225 in words is "four million, five hundred fifteen thousand, two hundred twenty-five".