2725771 has 4 divisors (see below), whose sum is σ = 2729944. Its totient is φ = 2721600.

The previous prime is 2725769. The next prime is 2725781. The reversal of 2725771 is 1775272.

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

It is a cyclic number.

It is not a de Polignac number, because 2725771 - 2¹ = 2725769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2725711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870 + ... + 2491.

It is an arithmetic number, because the mean of its divisors is an integer number (682486).

2^2725771 is an apocalyptic number.

2725771 is a deficient number, since it is larger than the sum of its proper divisors (4173).

2725771 is an equidigital number, since it uses as much as digits as its factorization.

2725771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172.

The product of its digits is 6860, while the sum is 31.

The square root of 2725771 is about 1650.9909145722. The cubic root of 2725771 is about 139.6892939444.

The spelling of 2725771 in words is "two million, seven hundred twenty-five thousand, seven hundred seventy-one".