298727249 has 2 divisors, whose sum is σ = 298727250. Its totient is φ = 298727248.

The previous prime is 298727183. The next prime is 298727279. The reversal of 298727249 is 942727892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273406225 + 25321024 = 16535^2 + 5032^2 .

It is a cyclic number.

It is not a de Polignac number, because 298727249 - 2¹² = 298723153 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 298727197 and 298727206.

It is not a weakly prime, because it can be changed into another prime (298727279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149363624 + 149363625.

It is an arithmetic number, because the mean of its divisors is an integer number (149363625).

Almost surely, 2^298727249 is an apocalyptic number.

It is an amenable number.

298727249 is a deficient number, since it is larger than the sum of its proper divisors (1).

298727249 is an equidigital number, since it uses as much as digits as its factorization.

298727249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 298727249 is about 17283.7278675638. The cubic root of 298727249 is about 668.4849176312.

It can be divided in two parts, 29 and 8727249, that added together give a palindrome (8727278).

The spelling of 298727249 in words is "two hundred ninety-eight million, seven hundred twenty-seven thousand, two hundred forty-nine".