3145873 has 2 divisors, whose sum is σ = 3145874. Its totient is φ = 3145872.

The previous prime is 3145841. The next prime is 3145897. The reversal of 3145873 is 3785413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2169729 + 976144 = 1473^2 + 988^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145873 - 2⁵ = 3145841 is a prime.

It is a d-powerful number, because it can be written as 3 + 1 + 4¹⁰ + 5³ + 8⁷ + 7 + 3² .

It is not a weakly prime, because it can be changed into another prime (3145823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572936 + 1572937.

It is an arithmetic number, because the mean of its divisors is an integer number (1572937).

Almost surely, 2^3145873 is an apocalyptic number.

It is an amenable number.

3145873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145873 is an equidigital number, since it uses as much as digits as its factorization.

3145873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 3145873 is about 1773.6609033296. The cubic root of 3145873 is about 146.5256743084.

The spelling of 3145873 in words is "three million, one hundred forty-five thousand, eight hundred seventy-three".