255105073 has 2 divisors, whose sum is σ = 255105074. Its totient is φ = 255105072.

The previous prime is 255105023. The next prime is 255105101. The reversal of 255105073 is 370501552.

It is an a-pointer prime, because the next prime (255105101) can be obtained adding 255105073 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255104784 + 289 = 15972^2 + 17^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255105073 is a prime.

It is not a weakly prime, because it can be changed into another prime (255105023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127552536 + 127552537.

It is an arithmetic number, because the mean of its divisors is an integer number (127552537).

Almost surely, 2^255105073 is an apocalyptic number.

It is an amenable number.

255105073 is a deficient number, since it is larger than the sum of its proper divisors (1).

255105073 is an equidigital number, since it uses as much as digits as its factorization.

255105073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 255105073 is about 15972.0090470798. The cubic root of 255105073 is about 634.2196568941.

The spelling of 255105073 in words is "two hundred fifty-five million, one hundred five thousand, seventy-three".