2725225 has 12 divisors (see below), whose sum is σ = 3431824. Its totient is φ = 2146320.

The previous prime is 2725199. The next prime is 2725231. The reversal of 2725225 is 5225272.

2725225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2725225 - 2¹⁷ = 2594153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2725225.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 862 + ... + 2488.

2^2725225 is an apocalyptic number.

2725225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2725225 is a deficient number, since it is larger than the sum of its proper divisors (706599).

2725225 is a wasteful number, since it uses less digits than its factorization.

2725225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1699 counting only the distinct ones).

The product of its digits is 2800, while the sum is 25.

The square root of 2725225 is about 1650.8255510501. The cubic root of 2725225 is about 139.6799662535.

It can be divided in two parts, 27 and 25225, that added together give a palindrome (25252).

The spelling of 2725225 in words is "two million, seven hundred twenty-five thousand, two hundred twenty-five".