2550887 has 2 divisors, whose sum is σ = 2550888. Its totient is φ = 2550886.

The previous prime is 2550871. The next prime is 2550937. The reversal of 2550887 is 7880552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2550887 - 2⁴ = 2550871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2550857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275443 + 1275444.

It is an arithmetic number, because the mean of its divisors is an integer number (1275444).

2^2550887 is an apocalyptic number.

2550887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2550887 is an equidigital number, since it uses as much as digits as its factorization.

2550887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 2550887 is about 1597.1496485928. The cubic root of 2550887 is about 136.6355597125.

The spelling of 2550887 in words is "two million, five hundred fifty thousand, eight hundred eighty-seven".