1255571341 has 2 divisors, whose sum is σ = 1255571342. Its totient is φ = 1255571340.

The previous prime is 1255571333. The next prime is 1255571351. The reversal of 1255571341 is 1431755521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707028100 + 548543241 = 26590^2 + 23421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255571341 - 2³ = 1255571333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255571297 and 1255571306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255571351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627785670 + 627785671.

It is an arithmetic number, because the mean of its divisors is an integer number (627785671).

Almost surely, 2^1255571341 is an apocalyptic number.

It is an amenable number.

1255571341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255571341 is an equidigital number, since it uses as much as digits as its factorization.

1255571341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 34.

The square root of 1255571341 is about 35434.0421205371. The cubic root of 1255571341 is about 1078.8153852112.

The spelling of 1255571341 in words is "one billion, two hundred fifty-five million, five hundred seventy-one thousand, three hundred forty-one".