2755601 has 2 divisors, whose sum is σ = 2755602. Its totient is φ = 2755600.

The previous prime is 2755567. The next prime is 2755619. The reversal of 2755601 is 1065572.

It is a Cunningham number, because it is equal to 1660²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2755600 + 1 = 1660^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2755601 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2755661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377800 + 1377801.

It is an arithmetic number, because the mean of its divisors is an integer number (1377801).

2^2755601 is an apocalyptic number.

It is an amenable number.

2755601 is a deficient number, since it is larger than the sum of its proper divisors (1).

2755601 is an equidigital number, since it uses as much as digits as its factorization.

2755601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2755601 is about 1660.0003012048. Note that the first 3 decimals coincide. The cubic root of 2755601 is about 140.1970185290.

The spelling of 2755601 in words is "two million, seven hundred fifty-five thousand, six hundred one".