255804499 has 2 divisors, whose sum is σ = 255804500. Its totient is φ = 255804498.

The previous prime is 255804473. The next prime is 255804509. The reversal of 255804499 is 994408552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255804499 - 2⁹ = 255803987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (255804469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127902249 + 127902250.

It is an arithmetic number, because the mean of its divisors is an integer number (127902250).

Almost surely, 2^255804499 is an apocalyptic number.

255804499 is a deficient number, since it is larger than the sum of its proper divisors (1).

255804499 is an equidigital number, since it uses as much as digits as its factorization.

255804499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 255804499 is about 15993.8894269030. The cubic root of 255804499 is about 634.7987449925.

The spelling of 255804499 in words is "two hundred fifty-five million, eight hundred four thousand, four hundred ninety-nine".