297319013 has 8 divisors (see below), whose sum is σ = 306342168. Its totient is φ = 288347904.

The previous prime is 297318979. The next prime is 297319019. The reversal of 297319013 is 310913792.

It can be written as a sum of positive squares in 4 ways, for example, as 58400164 + 238918849 = 7642^2 + 15457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 297319013 - 2¹² = 297314917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297319019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256 + ... + 24417.

It is an arithmetic number, because the mean of its divisors is an integer number (38292771).

Almost surely, 2^297319013 is an apocalyptic number.

It is an amenable number.

297319013 is a deficient number, since it is larger than the sum of its proper divisors (9023155).

297319013 is a wasteful number, since it uses less digits than its factorization.

297319013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26023.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 297319013 is about 17242.9409614485. The cubic root of 297319013 is about 667.4328233630.

The spelling of 297319013 in words is "two hundred ninety-seven million, three hundred nineteen thousand, thirteen".