297673249 has 2 divisors, whose sum is σ = 297673250. Its totient is φ = 297673248.

The previous prime is 297673217. The next prime is 297673273. The reversal of 297673249 is 942376792.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198810000 + 98863249 = 14100^2 + 9943^2 .

It is a cyclic number.

It is not a de Polignac number, because 297673249 - 2⁵ = 297673217 is a prime.

It is not a weakly prime, because it can be changed into another prime (297673279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148836624 + 148836625.

It is an arithmetic number, because the mean of its divisors is an integer number (148836625).

Almost surely, 2^297673249 is an apocalyptic number.

It is an amenable number.

297673249 is a deficient number, since it is larger than the sum of its proper divisors (1).

297673249 is an equidigital number, since it uses as much as digits as its factorization.

297673249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 297673249 is about 17253.2098173065. The cubic root of 297673249 is about 667.6977855630.

The spelling of 297673249 in words is "two hundred ninety-seven million, six hundred seventy-three thousand, two hundred forty-nine".