2456243 has 2 divisors, whose sum is σ = 2456244. Its totient is φ = 2456242.

The previous prime is 2456197. The next prime is 2456249. The reversal of 2456243 is 3426542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2456243 - 2⁸ = 2455987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2456249) 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, 1228121 + 1228122.

It is an arithmetic number, because the mean of its divisors is an integer number (1228122).

2^2456243 is an apocalyptic number.

2456243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2456243 is an equidigital number, since it uses as much as digits as its factorization.

2456243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 2456243 is about 1567.2405686429. The cubic root of 2456243 is about 134.9243838083.

Subtracting 2456243 from its reverse (3426542), we obtain a cube (970299 = 99³).

The spelling of 2456243 in words is "two million, four hundred fifty-six thousand, two hundred forty-three".