2725669 has 2 divisors, whose sum is σ = 2725670. Its totient is φ = 2725668.

The previous prime is 2725649. The next prime is 2725691. The reversal of 2725669 is 9665272.

2725669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 213444 = 1585^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725669 - 2⁹ = 2725157 is a prime.

It is a super-2 number, since 2×2725669² = 14858542995122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2725649) by changing a digit.

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 as a sum of consecutive naturals, namely, 1362834 + 1362835.

It is an arithmetic number, because the mean of its divisors is an integer number (1362835).

2^2725669 is an apocalyptic number.

It is an amenable number.

2725669 is a deficient number, since it is larger than the sum of its proper divisors (1).

2725669 is an equidigital number, since it uses as much as digits as its factorization.

2725669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 2725669 is about 1650.9600237438. The cubic root of 2725669 is about 139.6875515033.

The spelling of 2725669 in words is "two million, seven hundred twenty-five thousand, six hundred sixty-nine".