3521671 has 8 divisors (see below), whose sum is σ = 3603744. Its totient is φ = 3440640.

The previous prime is 3521659. The next prime is 3521677. The reversal of 3521671 is 1761253.

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 3521671 - 2⁷ = 3521543 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 (3521677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13575 + ... + 13831.

It is an arithmetic number, because the mean of its divisors is an integer number (450468).

Almost surely, 2^3521671 is an apocalyptic number.

3521671 is a deficient number, since it is larger than the sum of its proper divisors (82073).

3521671 is a wasteful number, since it uses less digits than its factorization.

3521671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its digits is 1260, while the sum is 25.

The square root of 3521671 is about 1876.6115740877. The cubic root of 3521671 is about 152.1421655830.

The spelling of 3521671 in words is "three million, five hundred twenty-one thousand, six hundred seventy-one".