4321315225 has 12 divisors (see below), whose sum is σ = 5371940524. Its totient is φ = 3448336320.

The previous prime is 4321315181. The next prime is 4321315241. The reversal of 4321315225 is 5225131234.

It can be written as a sum of positive squares in 6 ways, for example, as 14280841 + 4307034384 = 3779^2 + 65628^2 .

It is not a de Polignac number, because 4321315225 - 2¹¹ = 4321313177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4321315193 and 4321315202.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 207774 + ... + 227623.

Almost surely, 2^4321315225 is an apocalyptic number.

It is an amenable number.

4321315225 is a deficient number, since it is larger than the sum of its proper divisors (1050625299).

4321315225 is a wasteful number, since it uses less digits than its factorization.

4321315225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435804 (or 435799 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 4321315225 is about 65736.7113947754. The cubic root of 4321315225 is about 1628.8158342008.

Adding to 4321315225 its reverse (5225131234), we get a palindrome (9546446459).

The spelling of 4321315225 in words is "four billion, three hundred twenty-one million, three hundred fifteen thousand, two hundred twenty-five".