2725655 has 4 divisors (see below), whose sum is σ = 3270792. Its totient is φ = 2180520.

The previous prime is 2725649. The next prime is 2725669. The reversal of 2725655 is 5565272.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2725655 - 2¹⁴ = 2709271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272561 + ... + 272570.

It is an arithmetic number, because the mean of its divisors is an integer number (817698).

2^2725655 is an apocalyptic number.

2725655 is a deficient number, since it is larger than the sum of its proper divisors (545137).

2725655 is an equidigital number, since it uses as much as digits as its factorization.

2725655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545136.

The product of its digits is 21000, while the sum is 32.

The square root of 2725655 is about 1650.9557837810. The cubic root of 2725655 is about 139.6873123414.

The spelling of 2725655 in words is "two million, seven hundred twenty-five thousand, six hundred fifty-five".