298158097 has 2 divisors, whose sum is σ = 298158098. Its totient is φ = 298158096.

The previous prime is 298158079. The next prime is 298158149. The reversal of 298158097 is 790851892.

Together with previous prime (298158079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263218176 + 34939921 = 16224^2 + 5911^2 .

It is a cyclic number.

It is not a de Polignac number, because 298158097 - 2¹¹ = 298156049 is a prime.

It is a super-2 number, since 2×298158097² = 177796501613322818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 298158097.

It is not a weakly prime, because it can be changed into another prime (298158017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149079048 + 149079049.

It is an arithmetic number, because the mean of its divisors is an integer number (149079049).

Almost surely, 2^298158097 is an apocalyptic number.

It is an amenable number.

298158097 is a deficient number, since it is larger than the sum of its proper divisors (1).

298158097 is an equidigital number, since it uses as much as digits as its factorization.

298158097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 298158097 is about 17267.2550511076. The cubic root of 298158097 is about 668.0601026694.

The spelling of 298158097 in words is "two hundred ninety-eight million, one hundred fifty-eight thousand, ninety-seven".