3145671 has 6 divisors (see below), whose sum is σ = 4543760. Its totient is φ = 2097108.

The previous prime is 3145669. The next prime is 3145673. The reversal of 3145671 is 1765413.

It is an interprime number because it is at equal distance from previous prime (3145669) and next prime (3145673).

It is not a de Polignac number, because 3145671 - 2¹ = 3145669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145673) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 174751 + ... + 174768.

Almost surely, 2^3145671 is an apocalyptic number.

3145671 is a deficient number, since it is larger than the sum of its proper divisors (1398089).

3145671 is a wasteful number, since it uses less digits than its factorization.

3145671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349525 (or 349522 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 3145671 is about 1773.6039580470. The cubic root of 3145671 is about 146.5225380492.

The spelling of 3145671 in words is "three million, one hundred forty-five thousand, six hundred seventy-one".