4242505225 has 12 divisors (see below), whose sum is σ = 6012236224. Its totient is φ = 2909146320.

The previous prime is 4242505177. The next prime is 4242505247. The reversal of 4242505225 is 5225052424.

It is not a de Polignac number, because 4242505225 - 2⁹ = 4242504713 is a prime.

It is a Duffinian number.

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, 12121269 + ... + 12121618.

Almost surely, 2^4242505225 is an apocalyptic number.

It is an amenable number.

4242505225 is a deficient number, since it is larger than the sum of its proper divisors (1769730999).

4242505225 is a wasteful number, since it uses less digits than its factorization.

4242505225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24242904 (or 24242899 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 4242505225 is about 65134.5163872428. The cubic root of 4242505225 is about 1618.8531771864.

Adding to 4242505225 its reverse (5225052424), we get a palindrome (9467557649).

The spelling of 4242505225 in words is "four billion, two hundred forty-two million, five hundred five thousand, two hundred twenty-five".