3624542225 has 24 divisors (see below), whose sum is σ = 4581732792. Its totient is φ = 2843596800.

The previous prime is 3624542219. The next prime is 3624542249. The reversal of 3624542225 is 5222454263.

It can be written as a sum of positive squares in 12 ways, for example, as 918877969 + 2705664256 = 30313^2 + 52016^2 .

It is not a de Polignac number, because 3624542225 - 2⁴ = 3624542209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 534959 + ... + 541691.

It is an arithmetic number, because the mean of its divisors is an integer number (190905533).

Almost surely, 2^3624542225 is an apocalyptic number.

It is an amenable number.

3624542225 is a deficient number, since it is larger than the sum of its proper divisors (957190567).

3624542225 is a wasteful number, since it uses less digits than its factorization.

3624542225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157 (or 7152 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 3624542225 is about 60204.1711594803. The cubic root of 3624542225 is about 1536.0937466801.

Adding to 3624542225 its reverse (5222454263), we get a palindrome (8846996488).

The spelling of 3624542225 in words is "three billion, six hundred twenty-four million, five hundred forty-two thousand, two hundred twenty-five".