2565061 has 2 divisors, whose sum is σ = 2565062. Its totient is φ = 2565060.

The previous prime is 2565053. The next prime is 2565067. The reversal of 2565061 is 1605652.

2565061 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., 2268036 + 297025 = 1506^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2565061 - 2³ = 2565053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2565067) 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, 1282530 + 1282531.

It is an arithmetic number, because the mean of its divisors is an integer number (1282531).

2^2565061 is an apocalyptic number.

It is an amenable number.

2565061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565061 is an equidigital number, since it uses as much as digits as its factorization.

2565061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2565061 is about 1601.5807816030. The cubic root of 2565061 is about 136.8881641877. Note that the first 3 decimals are identical.

The spelling of 2565061 in words is "two million, five hundred sixty-five thousand, sixty-one".