608749289 has 2 divisors, whose sum is σ = 608749290. Its totient is φ = 608749288.

The previous prime is 608749283. The next prime is 608749301. The reversal of 608749289 is 982947806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544428889 + 64320400 = 23333^2 + 8020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-608749289 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 608749289.

It is not a weakly prime, because it can be changed into another prime (608749283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304374644 + 304374645.

It is an arithmetic number, because the mean of its divisors is an integer number (304374645).

Almost surely, 2^608749289 is an apocalyptic number.

It is an amenable number.

608749289 is a deficient number, since it is larger than the sum of its proper divisors (1).

608749289 is an equidigital number, since it uses as much as digits as its factorization.

608749289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 608749289 is about 24672.8451744018. The cubic root of 608749289 is about 847.5125845162.

The spelling of 608749289 in words is "six hundred eight million, seven hundred forty-nine thousand, two hundred eighty-nine".