255871093 has 2 divisors, whose sum is σ = 255871094. Its totient is φ = 255871092.

The previous prime is 255871079. The next prime is 255871127. The reversal of 255871093 is 390178552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 251127409 + 4743684 = 15847^2 + 2178^2 .

It is a cyclic number.

It is not a de Polignac number, because 255871093 - 2¹⁷ = 255740021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255871073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127935546 + 127935547.

It is an arithmetic number, because the mean of its divisors is an integer number (127935547).

Almost surely, 2^255871093 is an apocalyptic number.

It is an amenable number.

255871093 is a deficient number, since it is larger than the sum of its proper divisors (1).

255871093 is an equidigital number, since it uses as much as digits as its factorization.

255871093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 255871093 is about 15995.9711490112. The cubic root of 255871093 is about 634.8538262752.

The spelling of 255871093 in words is "two hundred fifty-five million, eight hundred seventy-one thousand, ninety-three".