298206313 has 2 divisors, whose sum is σ = 298206314. Its totient is φ = 298206312.

The previous prime is 298206269. The next prime is 298206331. The reversal of 298206313 is 313602892.

It is a happy number.

Together with next prime (298206331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206583129 + 91623184 = 14373^2 + 9572^2 .

It is a cyclic number.

It is not a de Polignac number, because 298206313 - 2²¹ = 296109161 is a prime.

It is a super-2 number, since 2×298206313² = 177854010226107938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (298206383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149103156 + 149103157.

It is an arithmetic number, because the mean of its divisors is an integer number (149103157).

Almost surely, 2^298206313 is an apocalyptic number.

It is an amenable number.

298206313 is a deficient number, since it is larger than the sum of its proper divisors (1).

298206313 is an equidigital number, since it uses as much as digits as its factorization.

298206313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 298206313 is about 17268.6511633075. The cubic root of 298206313 is about 668.0961120328.

The spelling of 298206313 in words is "two hundred ninety-eight million, two hundred six thousand, three hundred thirteen".