297000005 has 8 divisors (see below), whose sum is σ = 356515992. Its totient is φ = 237522688.

The previous prime is 296999993. The next prime is 297000019. The reversal of 297000005 is 500000792.

It can be written as a sum of positive squares in 4 ways, for example, as 62236321 + 234763684 = 7889^2 + 15322^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-297000005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11417 + ... + 26913.

It is an arithmetic number, because the mean of its divisors is an integer number (44564499).

Almost surely, 2^297000005 is an apocalyptic number.

It is an amenable number.

297000005 is a deficient number, since it is larger than the sum of its proper divisors (59515987).

297000005 is a wasteful number, since it uses less digits than its factorization.

297000005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19335.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 297000005 is about 17233.6880846788. The cubic root of 297000005 is about 667.1940309149.

Adding to 297000005 its reverse (500000792), we get a palindrome (797000797).

The spelling of 297000005 in words is "two hundred ninety-seven million, five", and thus it is an aban number.