2943257 has 2 divisors, whose sum is σ = 2943258. Its totient is φ = 2943256.

The previous prime is 2943247. The next prime is 2943289. The reversal of 2943257 is 7523492.

It is a happy number.

2943257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2943289) can be obtained adding 2943257 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1752976 + 1190281 = 1324^2 + 1091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2943257 - 2⁸ = 2943001 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (2943217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471628 + 1471629.

It is an arithmetic number, because the mean of its divisors is an integer number (1471629).

2^2943257 is an apocalyptic number.

It is an amenable number.

2943257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2943257 is an equidigital number, since it uses as much as digits as its factorization.

2943257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 32.

The square root of 2943257 is about 1715.5923175393. The cubic root of 2943257 is about 143.3098567403.

The spelling of 2943257 in words is "two million, nine hundred forty-three thousand, two hundred fifty-seven".