4147021625 has 16 divisors (see below), whose sum is σ = 5184021648. Its totient is φ = 3312144000.

The previous prime is 4147021607. The next prime is 4147021639. The reversal of 4147021625 is 5261207414.

It can be written as a sum of positive squares in 8 ways, for example, as 3964339369 + 182682256 = 62963^2 + 13516^2 .

It is not a de Polignac number, because 4147021625 - 2⁸ = 4147021369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4147021591 and 4147021600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49565 + ... + 103685.

It is an arithmetic number, because the mean of its divisors is an integer number (324001353).

Almost surely, 2^4147021625 is an apocalyptic number.

It is an amenable number.

4147021625 is a deficient number, since it is larger than the sum of its proper divisors (1037000023).

4147021625 is an equidigital number, since it uses as much as digits as its factorization.

4147021625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54749 (or 54739 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4147021625 is about 64397.3728113189. The cubic root of 4147021625 is about 1606.6160455108.

The spelling of 4147021625 in words is "four billion, one hundred forty-seven million, twenty-one thousand, six hundred twenty-five".