4047625 has 8 divisors (see below), whose sum is σ = 5051592. Its totient is φ = 3238000.

The previous prime is 4047623. The next prime is 4047629. The reversal of 4047625 is 5267404.

4047625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 95481 + 3952144 = 309^2 + 1988^2 .

It is not a de Polignac number, because 4047625 - 2¹ = 4047623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4047593 and 4047602.

It is not an unprimeable number, because it can be changed into a prime (4047623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16066 + ... + 16315.

It is an arithmetic number, because the mean of its divisors is an integer number (631449).

Almost surely, 2^4047625 is an apocalyptic number.

It is an amenable number.

4047625 is a deficient number, since it is larger than the sum of its proper divisors (1003967).

4047625 is an equidigital number, since it uses as much as digits as its factorization.

4047625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32396 (or 32386 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 4047625 is about 2011.8710197227. The cubic root of 4047625 is about 159.3676210860.

The spelling of 4047625 in words is "four million, forty-seven thousand, six hundred twenty-five".