2561053541 has 2 divisors, whose sum is σ = 2561053542. Its totient is φ = 2561053540.

The previous prime is 2561053513. The next prime is 2561053549. The reversal of 2561053541 is 1453501652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2403450625 + 157602916 = 49025^2 + 12554^2 .

It is a cyclic number.

It is not a de Polignac number, because 2561053541 - 2¹⁰ = 2561052517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2561053498 and 2561053507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2561053549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280526770 + 1280526771.

It is an arithmetic number, because the mean of its divisors is an integer number (1280526771).

Almost surely, 2^2561053541 is an apocalyptic number.

It is an amenable number.

2561053541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2561053541 is an equidigital number, since it uses as much as digits as its factorization.

2561053541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2561053541 is about 50606.8527079090. The cubic root of 2561053541 is about 1368.1683909551.

The spelling of 2561053541 in words is "two billion, five hundred sixty-one million, fifty-three thousand, five hundred forty-one".