2355443 has 2 divisors, whose sum is σ = 2355444. Its totient is φ = 2355442.

The previous prime is 2355439. The next prime is 2355481. The reversal of 2355443 is 3445532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2355443 - 2² = 2355439 is a prime.

It is a super-3 number, since 3×2355443³ = 39204782786433369921, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2355403) 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, 1177721 + 1177722.

It is an arithmetic number, because the mean of its divisors is an integer number (1177722).

2^2355443 is an apocalyptic number.

2355443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355443 is an equidigital number, since it uses as much as digits as its factorization.

2355443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 26.

The square root of 2355443 is about 1534.7452557346. The cubic root of 2355443 is about 133.0528555442.

The spelling of 2355443 in words is "two million, three hundred fifty-five thousand, four hundred forty-three".