4630721325 has 24 divisors (see below), whose sum is σ = 8059082400. Its totient is φ = 2339732160.

The previous prime is 4630721321. The next prime is 4630721369. The reversal of 4630721325 is 5231270364.

It is not a de Polignac number, because 4630721325 - 2² = 4630721321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4630721321) 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 23 ways as a sum of consecutive naturals, for example, 1623390 + ... + 1626239.

It is an arithmetic number, because the mean of its divisors is an integer number (335795100).

Almost surely, 2^4630721325 is an apocalyptic number.

It is an amenable number.

4630721325 is a deficient number, since it is larger than the sum of its proper divisors (3428361075).

4630721325 is a wasteful number, since it uses less digits than its factorization.

4630721325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249661 (or 3249656 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 4630721325 is about 68049.4035609424. The cubic root of 4630721325 is about 1666.7976598153.

Adding to 4630721325 its reverse (5231270364), we get a palindrome (9861991689).

The spelling of 4630721325 in words is "four billion, six hundred thirty million, seven hundred twenty-one thousand, three hundred twenty-five".