2455889 has 2 divisors, whose sum is σ = 2455890. Its totient is φ = 2455888.

The previous prime is 2455847. The next prime is 2455897. The reversal of 2455889 is 9885542.

2455889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 400 = 1567^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455889 - 2¹² = 2451793 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (2455589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227944 + 1227945.

It is an arithmetic number, because the mean of its divisors is an integer number (1227945).

2^2455889 is an apocalyptic number.

It is an amenable number.

2455889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2455889 is an equidigital number, since it uses as much as digits as its factorization.

2455889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 41.

The square root of 2455889 is about 1567.1276272212. The cubic root of 2455889 is about 134.9179016149.

The spelling of 2455889 in words is "two million, four hundred fifty-five thousand, eight hundred eighty-nine".