498454289 has 2 divisors, whose sum is σ = 498454290. Its totient is φ = 498454288.

The previous prime is 498454279. The next prime is 498454309. The reversal of 498454289 is 982454894.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462250000 + 36204289 = 21500^2 + 6017^2 .

It is a cyclic number.

It is not a de Polignac number, because 498454289 - 2¹² = 498450193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 498454289.

It is not a weakly prime, because it can be changed into another prime (498454249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249227144 + 249227145.

It is an arithmetic number, because the mean of its divisors is an integer number (249227145).

Almost surely, 2^498454289 is an apocalyptic number.

It is an amenable number.

498454289 is a deficient number, since it is larger than the sum of its proper divisors (1).

498454289 is an equidigital number, since it uses as much as digits as its factorization.

498454289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 53.

The square root of 498454289 is about 22326.0898726132. The cubic root of 498454289 is about 792.8817939657.

The spelling of 498454289 in words is "four hundred ninety-eight million, four hundred fifty-four thousand, two hundred eighty-nine".