254828263 has 2 divisors, whose sum is σ = 254828264. Its totient is φ = 254828262.

The previous prime is 254828251. The next prime is 254828267. The reversal of 254828263 is 362828452.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254828263 is a prime.

It is equal to p_13928881 and since 254828263 and 13928881 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254828267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127414131 + 127414132.

It is an arithmetic number, because the mean of its divisors is an integer number (127414132).

Almost surely, 2^254828263 is an apocalyptic number.

254828263 is a deficient number, since it is larger than the sum of its proper divisors (1).

254828263 is an equidigital number, since it uses as much as digits as its factorization.

254828263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 40.

The square root of 254828263 is about 15963.3412229395. The cubic root of 254828263 is about 633.9901803652.

The spelling of 254828263 in words is "two hundred fifty-four million, eight hundred twenty-eight thousand, two hundred sixty-three".