3240004225 has 6 divisors (see below), whose sum is σ = 4017605270. Its totient is φ = 2592003360.

The previous prime is 3240004193. The next prime is 3240004249. The reversal of 3240004225 is 5224000423.

It can be written as a sum of positive squares in 3 ways, for example, as 653671489 + 2586332736 = 25567^2 + 50856^2 .

It is not a de Polignac number, because 3240004225 - 2⁵ = 3240004193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3240004196 and 3240004205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64800060 + ... + 64800109.

Almost surely, 2^3240004225 is an apocalyptic number.

It is an amenable number.

3240004225 is a deficient number, since it is larger than the sum of its proper divisors (777601045).

3240004225 is a wasteful number, since it uses less digits than its factorization.

3240004225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129600179 (or 129600174 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3240004225 is about 56921.0349958607. The cubic root of 3240004225 is about 1479.7278877922.

Adding to 3240004225 its reverse (5224000423), we get a palindrome (8464004648).

The spelling of 3240004225 in words is "three billion, two hundred forty million, four thousand, two hundred twenty-five".