297282649 has 2 divisors, whose sum is σ = 297282650. Its totient is φ = 297282648.

The previous prime is 297282637. The next prime is 297282709. The reversal of 297282649 is 946282792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210047049 + 87235600 = 14493^2 + 9340^2 .

It is a cyclic number.

It is not a de Polignac number, because 297282649 - 2¹³ = 297274457 is a prime.

It is not a weakly prime, because it can be changed into another prime (297282619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148641324 + 148641325.

It is an arithmetic number, because the mean of its divisors is an integer number (148641325).

Almost surely, 2^297282649 is an apocalyptic number.

It is an amenable number.

297282649 is a deficient number, since it is larger than the sum of its proper divisors (1).

297282649 is an equidigital number, since it uses as much as digits as its factorization.

297282649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 297282649 is about 17241.8864687133. The cubic root of 297282649 is about 667.4056118319.

The spelling of 297282649 in words is "two hundred ninety-seven million, two hundred eighty-two thousand, six hundred forty-nine".