297318213 has 12 divisors (see below), whose sum is σ = 452063040. Its totient is φ = 187779816.

The previous prime is 297318191. The next prime is 297318221. The reversal of 297318213 is 312813792.

It is not a de Polignac number, because 297318213 - 2⁸ = 297317957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297318223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869181 + ... + 869522.

It is an arithmetic number, because the mean of its divisors is an integer number (37671920).

Almost surely, 2^297318213 is an apocalyptic number.

It is an amenable number.

297318213 is a deficient number, since it is larger than the sum of its proper divisors (154744827).

297318213 is a wasteful number, since it uses less digits than its factorization.

297318213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738728 (or 1738725 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 297318213 is about 17242.9177635341. The cubic root of 297318213 is about 667.4322247392.

The spelling of 297318213 in words is "two hundred ninety-seven million, three hundred eighteen thousand, two hundred thirteen".