298149317 has 2 divisors, whose sum is σ = 298149318. Its totient is φ = 298149316.

The previous prime is 298149283. The next prime is 298149323. The reversal of 298149317 is 713941892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235960321 + 62188996 = 15361^2 + 7886^2 .

It is a cyclic number.

It is not a de Polignac number, because 298149317 - 2²⁴ = 281372101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298149337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149074658 + 149074659.

It is an arithmetic number, because the mean of its divisors is an integer number (149074659).

Almost surely, 2^298149317 is an apocalyptic number.

It is an amenable number.

298149317 is a deficient number, since it is larger than the sum of its proper divisors (1).

298149317 is an equidigital number, since it uses as much as digits as its factorization.

298149317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 298149317 is about 17267.0008107951. Note that the first 3 decimals coincide. The cubic root of 298149317 is about 668.0535450463.

The spelling of 298149317 in words is "two hundred ninety-eight million, one hundred forty-nine thousand, three hundred seventeen".