4265625 has 56 divisors (see below), whose sum is σ = 8749888. Its totient is φ = 1800000.

The previous prime is 4265617. The next prime is 4265629. The reversal of 4265625 is 5265624.

It is not a de Polignac number, because 4265625 - 2³ = 4265617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4265592 and 4265601.

It is not an unprimeable number, because it can be changed into a prime (4265629) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 328119 + ... + 328131.

It is an arithmetic number, because the mean of its divisors is an integer number (156248).

Almost surely, 2^4265625 is an apocalyptic number.

It is an amenable number.

4265625 is an abundant number, since it is smaller than the sum of its proper divisors (4484263).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4265625 is an frugal number, since it uses more digits than its factorization.

4265625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53 (or 28 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 4265625 is about 2065.3389552323. The cubic root of 4265625 is about 162.1788529179.

Subtracting 4265625 from its reverse (5265624), we obtain a palindrome (999999).

The spelling of 4265625 in words is "four million, two hundred sixty-five thousand, six hundred twenty-five".