297023197 has 2 divisors, whose sum is σ = 297023198. Its totient is φ = 297023196.

The previous prime is 297023189. The next prime is 297023227. The reversal of 297023197 is 791320792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201100761 + 95922436 = 14181^2 + 9794^2 .

It is a cyclic number.

It is not a de Polignac number, because 297023197 - 2³ = 297023189 is a prime.

It is a super-2 number, since 2×297023197² = 176445559112201618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (297023117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148511598 + 148511599.

It is an arithmetic number, because the mean of its divisors is an integer number (148511599).

Almost surely, 2^297023197 is an apocalyptic number.

It is an amenable number.

297023197 is a deficient number, since it is larger than the sum of its proper divisors (1).

297023197 is an equidigital number, since it uses as much as digits as its factorization.

297023197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 297023197 is about 17234.3609397041. The cubic root of 297023197 is about 667.2113969765.

The spelling of 297023197 in words is "two hundred ninety-seven million, twenty-three thousand, one hundred ninety-seven".