425225242 has 32 divisors (see below), whose sum is σ = 725921280. Its totient is φ = 185328000.

The previous prime is 425225197. The next prime is 425225249. The reversal of 425225242 is 242522524.

It is a self number, because there is not a number n which added to its sum of digits gives 425225242.

It is not an unprimeable number, because it can be changed into a prime (425225249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42742 + ... + 51742.

It is an arithmetic number, because the mean of its divisors is an integer number (22685040).

Almost surely, 2^425225242 is an apocalyptic number.

425225242 is a deficient number, since it is larger than the sum of its proper divisors (300696038).

425225242 is a wasteful number, since it uses less digits than its factorization.

425225242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118.

The product of its digits is 12800, while the sum is 28.

The square root of 425225242 is about 20620.9903253942. The cubic root of 425225242 is about 751.9800962836.

Adding to 425225242 its reverse (242522524), we get a palindrome (667747766).

The spelling of 425225242 in words is "four hundred twenty-five million, two hundred twenty-five thousand, two hundred forty-two".