2725925 has 6 divisors (see below), whose sum is σ = 3380178. Its totient is φ = 2180720.

The previous prime is 2725897. The next prime is 2725927. The reversal of 2725925 is 5295272.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6724 + 2719201 = 82^2 + 1649^2 .

It is not a de Polignac number, because 2725925 - 2⁸ = 2725669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2725891 and 2725900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54494 + ... + 54543.

It is an arithmetic number, because the mean of its divisors is an integer number (563363).

2^2725925 is an apocalyptic number.

2725925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2725925 is a deficient number, since it is larger than the sum of its proper divisors (654253).

2725925 is a wasteful number, since it uses less digits than its factorization.

2725925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109047 (or 109042 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 2725925 is about 1651.0375525711. The cubic root of 2725925 is about 139.6919246063.

It can be divided in two parts, 27 and 25925, that added together give a palindrome (25952).

The spelling of 2725925 in words is "two million, seven hundred twenty-five thousand, nine hundred twenty-five".