3145841 has 2 divisors, whose sum is σ = 3145842. Its totient is φ = 3145840.

The previous prime is 3145823. The next prime is 3145873. The reversal of 3145841 is 1485413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 633616 = 1585^2 + 796^2 .

It is an emirp because it is prime and its reverse (1485413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3145841 - 2¹⁸ = 2883697 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 3145841.

It is not a weakly prime, because it can be changed into another prime (3145801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572920 + 1572921.

It is an arithmetic number, because the mean of its divisors is an integer number (1572921).

Almost surely, 2^3145841 is an apocalyptic number.

It is an amenable number.

3145841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145841 is an equidigital number, since it uses as much as digits as its factorization.

3145841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 26.

The square root of 3145841 is about 1773.6518824166. The cubic root of 3145841 is about 146.5251774842.

The spelling of 3145841 in words is "three million, one hundred forty-five thousand, eight hundred forty-one".