255576593 has 2 divisors, whose sum is σ = 255576594. Its totient is φ = 255576592.

The previous prime is 255576511. The next prime is 255576661. The reversal of 255576593 is 395675552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236636689 + 18939904 = 15383^2 + 4352^2 .

It is a cyclic number.

It is not a de Polignac number, because 255576593 - 2¹² = 255572497 is a prime.

It is not a weakly prime, because it can be changed into another prime (255576193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127788296 + 127788297.

It is an arithmetic number, because the mean of its divisors is an integer number (127788297).

Almost surely, 2^255576593 is an apocalyptic number.

It is an amenable number.

255576593 is a deficient number, since it is larger than the sum of its proper divisors (1).

255576593 is an equidigital number, since it uses as much as digits as its factorization.

255576593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1417500, while the sum is 47.

The square root of 255576593 is about 15986.7630557283. The cubic root of 255576593 is about 634.6101668271.

The spelling of 255576593 in words is "two hundred fifty-five million, five hundred seventy-six thousand, five hundred ninety-three".