455489 has 2 divisors, whose sum is σ = 455490. Its totient is φ = 455488.

The previous prime is 455479. The next prime is 455491. The reversal of 455489 is 984554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339889 + 115600 = 583^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 455489 - 2⁴ = 455473 is a prime.

Together with 455491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (455419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227744 + 227745.

It is an arithmetic number, because the mean of its divisors is an integer number (227745).

2⁴⁵⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

455489 is a deficient number, since it is larger than the sum of its proper divisors (1).

455489 is an equidigital number, since it uses as much as digits as its factorization.

455489 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 455489 is about 674.8992517406. The cubic root of 455489 is about 76.9412606500.

The spelling of 455489 in words is "four hundred fifty-five thousand, four hundred eighty-nine".