255254173 has 2 divisors, whose sum is σ = 255254174. Its totient is φ = 255254172.

The previous prime is 255254141. The next prime is 255254191. The reversal of 255254173 is 371452552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244672164 + 10582009 = 15642^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 255254173 - 2⁵ = 255254141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255254123) 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, 127627086 + 127627087.

It is an arithmetic number, because the mean of its divisors is an integer number (127627087).

Almost surely, 2^255254173 is an apocalyptic number.

It is an amenable number.

255254173 is a deficient number, since it is larger than the sum of its proper divisors (1).

255254173 is an equidigital number, since it uses as much as digits as its factorization.

255254173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 34.

The square root of 255254173 is about 15976.6759058322. The cubic root of 255254173 is about 634.3431925715.

The spelling of 255254173 in words is "two hundred fifty-five million, two hundred fifty-four thousand, one hundred seventy-three".