2560405061 has 2 divisors, whose sum is σ = 2560405062. Its totient is φ = 2560405060.

The previous prime is 2560405039. The next prime is 2560405063. The reversal of 2560405061 is 1605040652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2547220900 + 13184161 = 50470^2 + 3631^2 .

It is a cyclic number.

It is not a de Polignac number, because 2560405061 - 2¹⁰ = 2560404037 is a prime.

Together with 2560405063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2560405063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280202530 + 1280202531.

It is an arithmetic number, because the mean of its divisors is an integer number (1280202531).

Almost surely, 2^2560405061 is an apocalyptic number.

It is an amenable number.

2560405061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560405061 is an equidigital number, since it uses as much as digits as its factorization.

2560405061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2560405061 is about 50600.4452648393. The cubic root of 2560405061 is about 1368.0529040120.

The spelling of 2560405061 in words is "two billion, five hundred sixty million, four hundred five thousand, sixty-one".