255332249 has 2 divisors, whose sum is σ = 255332250. Its totient is φ = 255332248.

The previous prime is 255332221. The next prime is 255332251. The reversal of 255332249 is 942233552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171426649 + 83905600 = 13093^2 + 9160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255332249 is a prime.

It is a Sophie Germain prime.

Together with 255332251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (255332219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127666124 + 127666125.

It is an arithmetic number, because the mean of its divisors is an integer number (127666125).

Almost surely, 2^255332249 is an apocalyptic number.

It is an amenable number.

255332249 is a deficient number, since it is larger than the sum of its proper divisors (1).

255332249 is an equidigital number, since it uses as much as digits as its factorization.

255332249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 35.

The square root of 255332249 is about 15979.1191559485. The cubic root of 255332249 is about 634.4078626605.

The spelling of 255332249 in words is "two hundred fifty-five million, three hundred thirty-two thousand, two hundred forty-nine".