3171345 has 16 divisors (see below), whose sum is σ = 5121792. Its totient is φ = 1675520.

The previous prime is 3171323. The next prime is 3171349. The reversal of 3171345 is 5431713.

It is not a de Polignac number, because 3171345 - 2⁵ = 3171313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3171349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760 + ... + 2630.

It is an arithmetic number, because the mean of its divisors is an integer number (320112).

Almost surely, 2^3171345 is an apocalyptic number.

It is an amenable number.

3171345 is a deficient number, since it is larger than the sum of its proper divisors (1950447).

3171345 is a wasteful number, since it uses less digits than its factorization.

3171345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its digits is 1260, while the sum is 24.

The square root of 3171345 is about 1780.8270550505. The cubic root of 3171345 is about 146.9200824336.

The spelling of 3171345 in words is "three million, one hundred seventy-one thousand, three hundred forty-five".