298225897 has 2 divisors, whose sum is σ = 298225898. Its totient is φ = 298225896.

The previous prime is 298225819. The next prime is 298225903. The reversal of 298225897 is 798522892.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212459776 + 85766121 = 14576^2 + 9261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298225897 is a prime.

It is not a weakly prime, because it can be changed into another prime (298225997) 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, 149112948 + 149112949.

It is an arithmetic number, because the mean of its divisors is an integer number (149112949).

Almost surely, 2^298225897 is an apocalyptic number.

It is an amenable number.

298225897 is a deficient number, since it is larger than the sum of its proper divisors (1).

298225897 is an equidigital number, since it uses as much as digits as its factorization.

298225897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 52.

The square root of 298225897 is about 17269.2181930741. The cubic root of 298225897 is about 668.1107369275.

The spelling of 298225897 in words is "two hundred ninety-eight million, two hundred twenty-five thousand, eight hundred ninety-seven".