5625625 has 10 divisors (see below), whose sum is σ = 7030562. Its totient is φ = 4500000.

The previous prime is 5625617. The next prime is 5625637. The reversal of 5625625 is 5265265.

It can be written as a sum of positive squares in 5 ways, for example, as 3182656 + 2442969 = 1784^2 + 1563^2 .

It is not a de Polignac number, because 5625625 - 2³ = 5625617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 3876 + ... + 5125.

Almost surely, 2^5625625 is an apocalyptic number.

It is an amenable number.

5625625 is a deficient number, since it is larger than the sum of its proper divisors (1404937).

5625625 is an frugal number, since it uses more digits than its factorization.

5625625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9021 (or 9006 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 5625625 is about 2371.8400030356. The cubic root of 5625625 is about 177.8512518200.

It can be divided in two parts, 5625 and 625, that multiplied together give a square (3515625 = 1875²).

The spelling of 5625625 in words is "five million, six hundred twenty-five thousand, six hundred twenty-five".