255790189 has 2 divisors, whose sum is σ = 255790190. Its totient is φ = 255790188.

The previous prime is 255790159. The next prime is 255790219. The reversal of 255790189 is 981097552.

It is a balanced prime because it is at equal distance from previous prime (255790159) and next prime (255790219).

It can be written as a sum of positive squares in only one way, i.e., 241274089 + 14516100 = 15533^2 + 3810^2 .

It is a cyclic number.

It is not a de Polignac number, because 255790189 - 2²⁵ = 222235757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255790159) 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, 127895094 + 127895095.

It is an arithmetic number, because the mean of its divisors is an integer number (127895095).

Almost surely, 2^255790189 is an apocalyptic number.

It is an amenable number.

255790189 is a deficient number, since it is larger than the sum of its proper divisors (1).

255790189 is an equidigital number, since it uses as much as digits as its factorization.

255790189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 46.

The square root of 255790189 is about 15993.4420622954. The cubic root of 255790189 is about 634.7869076461.

The spelling of 255790189 in words is "two hundred fifty-five million, seven hundred ninety thousand, one hundred eighty-nine".