3291143 has 2 divisors, whose sum is σ = 3291144. Its totient is φ = 3291142.

The previous prime is 3291137. The next prime is 3291163. The reversal of 3291143 is 3411923.

It is a weak prime.

It is an emirp because it is prime and its reverse (3411923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3291143 - 2⁸ = 3290887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3291163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645571 + 1645572.

It is an arithmetic number, because the mean of its divisors is an integer number (1645572).

Almost surely, 2^3291143 is an apocalyptic number.

3291143 is a deficient number, since it is larger than the sum of its proper divisors (1).

3291143 is an equidigital number, since it uses as much as digits as its factorization.

3291143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 23.

The square root of 3291143 is about 1814.1507655099. The cubic root of 3291143 is about 148.7472404921.

The spelling of 3291143 in words is "three million, two hundred ninety-one thousand, one hundred forty-three".