298112897 has 2 divisors, whose sum is σ = 298112898. Its totient is φ = 298112896.

The previous prime is 298112879. The next prime is 298112909. The reversal of 298112897 is 798211892.

Together with previous prime (298112879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223532401 + 74580496 = 14951^2 + 8636^2 .

It is a cyclic number.

It is not a de Polignac number, because 298112897 - 2¹⁰ = 298111873 is a prime.

It is not a weakly prime, because it can be changed into another prime (298112497) 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, 149056448 + 149056449.

It is an arithmetic number, because the mean of its divisors is an integer number (149056449).

Almost surely, 2^298112897 is an apocalyptic number.

It is an amenable number.

298112897 is a deficient number, since it is larger than the sum of its proper divisors (1).

298112897 is an equidigital number, since it uses as much as digits as its factorization.

298112897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 47.

The square root of 298112897 is about 17265.9461657912. The cubic root of 298112897 is about 668.0263422327.

The spelling of 298112897 in words is "two hundred ninety-eight million, one hundred twelve thousand, eight hundred ninety-seven".