3141665 has 8 divisors (see below), whose sum is σ = 3796200. Its totient is φ = 2495872.

The previous prime is 3141659. The next prime is 3141667. The reversal of 3141665 is 5661413.

3141665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 322624 + 2819041 = 568^2 + 1679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3141665 - 2⁶ = 3141601 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3141667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1364 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (474525).

Almost surely, 2^3141665 is an apocalyptic number.

It is an amenable number.

3141665 is a deficient number, since it is larger than the sum of its proper divisors (654535).

3141665 is a wasteful number, since it uses less digits than its factorization.

3141665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371.

The product of its digits is 2160, while the sum is 26.

The square root of 3141665 is about 1772.4742593335. The cubic root of 3141665 is about 146.4603129965.

The spelling of 3141665 in words is "three million, one hundred forty-one thousand, six hundred sixty-five".