2685577 has 2 divisors, whose sum is σ = 2685578. Its totient is φ = 2685576.

The previous prime is 2685547. The next prime is 2685581. The reversal of 2685577 is 7755862.

2685577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2238016 + 447561 = 1496^2 + 669^2 .

It is a cyclic number.

It is not a de Polignac number, because 2685577 - 2¹¹ = 2683529 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2685547) 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, 1342788 + 1342789.

It is an arithmetic number, because the mean of its divisors is an integer number (1342789).

2^2685577 is an apocalyptic number.

It is an amenable number.

2685577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685577 is an equidigital number, since it uses as much as digits as its factorization.

2685577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 40.

The square root of 2685577 is about 1638.7730166194. The cubic root of 2685577 is about 138.9992753960. Note that the first 3 decimals are identical.

The spelling of 2685577 in words is "two million, six hundred eighty-five thousand, five hundred seventy-seven".