2255489 has 2 divisors, whose sum is σ = 2255490. Its totient is φ = 2255488.

The previous prime is 2255459. The next prime is 2255501. The reversal of 2255489 is 9845522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1481089 + 774400 = 1217^2 + 880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2255489 - 2⁸ = 2255233 is a prime.

It is a super-3 number, since 3×2255489³ = 34422578173336485507, which contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2255419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127744 + 1127745.

It is an arithmetic number, because the mean of its divisors is an integer number (1127745).

2^2255489 is an apocalyptic number.

It is an amenable number.

2255489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255489 is an equidigital number, since it uses as much as digits as its factorization.

2255489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 35.

The square root of 2255489 is about 1501.8285521324. The cubic root of 2255489 is about 131.1435405806.

It can be divided in two parts, 2255 and 489, that added together give a cube (2744 = 14³).

The spelling of 2255489 in words is "two million, two hundred fifty-five thousand, four hundred eighty-nine".