3145673 has 2 divisors, whose sum is σ = 3145674. Its totient is φ = 3145672.

The previous prime is 3145669. The next prime is 3145679. The reversal of 3145673 is 3765413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2699449 + 446224 = 1643^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 3145673 - 2² = 3145669 is a prime.

It is not a weakly prime, because it can be changed into another prime (3145679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572836 + 1572837.

It is an arithmetic number, because the mean of its divisors is an integer number (1572837).

Almost surely, 2^3145673 is an apocalyptic number.

It is an amenable number.

3145673 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145673 is an equidigital number, since it uses as much as digits as its factorization.

3145673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 3145673 is about 1773.6045218706. The cubic root of 3145673 is about 146.5225691019.

The spelling of 3145673 in words is "three million, one hundred forty-five thousand, six hundred seventy-three".