298381901 has 2 divisors, whose sum is σ = 298381902. Its totient is φ = 298381900.

The previous prime is 298381877. The next prime is 298381903. The reversal of 298381901 is 109183892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289884676 + 8497225 = 17026^2 + 2915^2 .

It is a cyclic number.

It is not a de Polignac number, because 298381901 - 2¹⁴ = 298365517 is a prime.

It is a Sophie Germain prime.

Together with 298381903, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298381903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149190950 + 149190951.

It is an arithmetic number, because the mean of its divisors is an integer number (149190951).

Almost surely, 2^298381901 is an apocalyptic number.

It is an amenable number.

298381901 is a deficient number, since it is larger than the sum of its proper divisors (1).

298381901 is an equidigital number, since it uses as much as digits as its factorization.

298381901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 298381901 is about 17273.7344254217. The cubic root of 298381901 is about 668.2272143804.

The spelling of 298381901 in words is "two hundred ninety-eight million, three hundred eighty-one thousand, nine hundred one".