254949887 has 2 divisors, whose sum is σ = 254949888. Its totient is φ = 254949886.

The previous prime is 254949841. The next prime is 254949913. The reversal of 254949887 is 788949452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 254949887 - 2¹² = 254945791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (254949587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127474943 + 127474944.

It is an arithmetic number, because the mean of its divisors is an integer number (127474944).

Almost surely, 2^254949887 is an apocalyptic number.

254949887 is a deficient number, since it is larger than the sum of its proper divisors (1).

254949887 is an equidigital number, since it uses as much as digits as its factorization.

254949887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 56.

The square root of 254949887 is about 15967.1502466783. The cubic root of 254949887 is about 634.0910275745.

The spelling of 254949887 in words is "two hundred fifty-four million, nine hundred forty-nine thousand, eight hundred eighty-seven".