298539313 has 2 divisors, whose sum is σ = 298539314. Its totient is φ = 298539312.

The previous prime is 298539299. The next prime is 298539317. The reversal of 298539313 is 313935892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282475249 + 16064064 = 16807^2 + 4008^2 .

It is a cyclic number.

It is not a de Polignac number, because 298539313 - 2¹⁷ = 298408241 is a prime.

It is equal to p_16177579 and since 298539313 and 16177579 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 298539313.

It is not a weakly prime, because it can be changed into another prime (298539317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149269656 + 149269657.

It is an arithmetic number, because the mean of its divisors is an integer number (149269657).

Almost surely, 2^298539313 is an apocalyptic number.

It is an amenable number.

298539313 is a deficient number, since it is larger than the sum of its proper divisors (1).

298539313 is an equidigital number, since it uses as much as digits as its factorization.

298539313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 298539313 is about 17278.2902221256. The cubic root of 298539313 is about 668.3447019471.

The spelling of 298539313 in words is "two hundred ninety-eight million, five hundred thirty-nine thousand, three hundred thirteen".