3145211 has 2 divisors, whose sum is σ = 3145212. Its totient is φ = 3145210.

The previous prime is 3145201. The next prime is 3145223. The reversal of 3145211 is 1125413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3145211 - 2⁶ = 3145147 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145211.

It is not a weakly prime, because it can be changed into another prime (3145201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572605 + 1572606.

It is an arithmetic number, because the mean of its divisors is an integer number (1572606).

Almost surely, 2^3145211 is an apocalyptic number.

3145211 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145211 is an equidigital number, since it uses as much as digits as its factorization.

3145211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 17.

The square root of 3145211 is about 1773.4742738478. The cubic root of 3145211 is about 146.5153955717.

The spelling of 3145211 in words is "three million, one hundred forty-five thousand, two hundred eleven".