298261 has 2 divisors, whose sum is σ = 298262. Its totient is φ = 298260.

The previous prime is 298247. The next prime is 298283. The reversal of 298261 is 162892.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269361 + 28900 = 519^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 298261 - 2¹¹ = 296213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149130 + 149131.

It is an arithmetic number, because the mean of its divisors is an integer number (149131).

2²⁹⁸²⁶¹ is an apocalyptic number.

It is an amenable number.

298261 is a deficient number, since it is larger than the sum of its proper divisors (1).

298261 is an equidigital number, since it uses as much as digits as its factorization.

298261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 298261 is about 546.1327677406. The cubic root of 298261 is about 66.8136949463.

The spelling of 298261 in words is "two hundred ninety-eight thousand, two hundred sixty-one".