1255560541 has 2 divisors, whose sum is σ = 1255560542. Its totient is φ = 1255560540.

The previous prime is 1255560487. The next prime is 1255560571. The reversal of 1255560541 is 1450655521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117498041 + 138062500 = 33429^2 + 11750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255560541 - 2¹⁵ = 1255527773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255560497 and 1255560506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255560571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627780270 + 627780271.

It is an arithmetic number, because the mean of its divisors is an integer number (627780271).

Almost surely, 2^1255560541 is an apocalyptic number.

It is an amenable number.

1255560541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255560541 is an equidigital number, since it uses as much as digits as its factorization.

1255560541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 1255560541 is about 35433.8897243867. The cubic root of 1255560541 is about 1078.8122920006.

The spelling of 1255560541 in words is "one billion, two hundred fifty-five million, five hundred sixty thousand, five hundred forty-one".