1255776341 has 2 divisors, whose sum is σ = 1255776342. Its totient is φ = 1255776340.

The previous prime is 1255776311. The next prime is 1255776397. The reversal of 1255776341 is 1436775521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897242116 + 358534225 = 29954^2 + 18935^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255776341 - 2¹⁰ = 1255775317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255776311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627888170 + 627888171.

It is an arithmetic number, because the mean of its divisors is an integer number (627888171).

Almost surely, 2^1255776341 is an apocalyptic number.

It is an amenable number.

1255776341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255776341 is an equidigital number, since it uses as much as digits as its factorization.

1255776341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 41.

The square root of 1255776341 is about 35436.9347009585. The cubic root of 1255776341 is about 1078.8740955665.

The spelling of 1255776341 in words is "one billion, two hundred fifty-five million, seven hundred seventy-six thousand, three hundred forty-one".