254306489 has 2 divisors, whose sum is σ = 254306490. Its totient is φ = 254306488.

The previous prime is 254306471. The next prime is 254306491. The reversal of 254306489 is 984603452.

254306489 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., 222010000 + 32296489 = 14900^2 + 5683^2 .

It is a cyclic number.

It is not a de Polignac number, because 254306489 - 2¹⁶ = 254240953 is a prime.

Together with 254306491, 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 (254306449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127153244 + 127153245.

It is an arithmetic number, because the mean of its divisors is an integer number (127153245).

Almost surely, 2^254306489 is an apocalyptic number.

It is an amenable number.

254306489 is a deficient number, since it is larger than the sum of its proper divisors (1).

254306489 is an equidigital number, since it uses as much as digits as its factorization.

254306489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 254306489 is about 15946.9899667618. The cubic root of 254306489 is about 633.5571755092.

The spelling of 254306489 in words is "two hundred fifty-four million, three hundred six thousand, four hundred eighty-nine".