298305493 has 2 divisors, whose sum is σ = 298305494. Its totient is φ = 298305492.

The previous prime is 298305487. The next prime is 298305499. The reversal of 298305493 is 394503892.

It is a balanced prime because it is at equal distance from previous prime (298305487) and next prime (298305499).

It can be written as a sum of positive squares in only one way, i.e., 294396964 + 3908529 = 17158^2 + 1977^2 .

It is a cyclic number.

It is not a de Polignac number, because 298305493 - 2¹³ = 298297301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298305499) 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, 149152746 + 149152747.

It is an arithmetic number, because the mean of its divisors is an integer number (149152747).

Almost surely, 2^298305493 is an apocalyptic number.

It is an amenable number.

298305493 is a deficient number, since it is larger than the sum of its proper divisors (1).

298305493 is an equidigital number, since it uses as much as digits as its factorization.

298305493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 298305493 is about 17271.5226022491. The cubic root of 298305493 is about 668.1701708581.

The spelling of 298305493 in words is "two hundred ninety-eight million, three hundred five thousand, four hundred ninety-three".