255066593 has 2 divisors, whose sum is σ = 255066594. Its totient is φ = 255066592.

The previous prime is 255066551. The next prime is 255066611. The reversal of 255066593 is 395660552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162001984 + 93064609 = 12728^2 + 9647^2 .

It is a cyclic number.

It is not a de Polignac number, because 255066593 - 2⁸ = 255066337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255066593.

It is not a weakly prime, because it can be changed into another prime (255066503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127533296 + 127533297.

It is an arithmetic number, because the mean of its divisors is an integer number (127533297).

Almost surely, 2^255066593 is an apocalyptic number.

It is an amenable number.

255066593 is a deficient number, since it is larger than the sum of its proper divisors (1).

255066593 is an equidigital number, since it uses as much as digits as its factorization.

255066593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 41.

The square root of 255066593 is about 15970.8043942689. The cubic root of 255066593 is about 634.1877667670.

The spelling of 255066593 in words is "two hundred fifty-five million, sixty-six thousand, five hundred ninety-three".