2668297 has 2 divisors, whose sum is σ = 2668298. Its totient is φ = 2668296.

The previous prime is 2668277. The next prime is 2668301. The reversal of 2668297 is 7928662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2572816 + 95481 = 1604^2 + 309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2668297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2668217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334148 + 1334149.

It is an arithmetic number, because the mean of its divisors is an integer number (1334149).

2^2668297 is an apocalyptic number.

It is an amenable number.

2668297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668297 is an equidigital number, since it uses as much as digits as its factorization.

2668297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 2668297 is about 1633.4922711785. The cubic root of 2668297 is about 138.7005093628.

The spelling of 2668297 in words is "two million, six hundred sixty-eight thousand, two hundred ninety-seven".