4351215225 has 24 divisors (see below), whose sum is σ = 8221725760. Its totient is φ = 1989126720.

The previous prime is 4351215221. The next prime is 4351215247. The reversal of 4351215225 is 5225121534.

It is not a de Polignac number, because 4351215225 - 2² = 4351215221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4351215192 and 4351215201.

It is not an unprimeable number, because it can be changed into a prime (4351215221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4143490 + ... + 4144539.

Almost surely, 2^4351215225 is an apocalyptic number.

It is an amenable number.

4351215225 is a deficient number, since it is larger than the sum of its proper divisors (3870510535).

4351215225 is a wasteful number, since it uses less digits than its factorization.

4351215225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8288049 (or 8288044 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 4351215225 is about 65963.7417449920. The cubic root of 4351215225 is about 1632.5638981983.

Adding to 4351215225 its reverse (5225121534), we get a palindrome (9576336759).

The spelling of 4351215225 in words is "four billion, three hundred fifty-one million, two hundred fifteen thousand, two hundred twenty-five".