2669243 has 2 divisors, whose sum is σ = 2669244. Its totient is φ = 2669242.

The previous prime is 2669237. The next prime is 2669257. The reversal of 2669243 is 3429662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2669243 - 2¹⁰ = 2668219 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2669203) 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, 1334621 + 1334622.

It is an arithmetic number, because the mean of its divisors is an integer number (1334622).

2^2669243 is an apocalyptic number.

2669243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2669243 is an equidigital number, since it uses as much as digits as its factorization.

2669243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 2669243 is about 1633.7818091777. The cubic root of 2669243 is about 138.7168987401.

The spelling of 2669243 in words is "two million, six hundred sixty-nine thousand, two hundred forty-three".