3511945 has 16 divisors (see below), whose sum is σ = 4527360. Its totient is φ = 2605824.

The previous prime is 3511913. The next prime is 3511951. The reversal of 3511945 is 5491153.

3511945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3511945 - 2⁵ = 3511913 is a prime.

It is a super-3 number, since 3×3511945³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6454 + ... + 6976.

It is an arithmetic number, because the mean of its divisors is an integer number (282960).

Almost surely, 2^3511945 is an apocalyptic number.

It is an amenable number.

3511945 is a deficient number, since it is larger than the sum of its proper divisors (1015415).

3511945 is a wasteful number, since it uses less digits than its factorization.

3511945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its digits is 2700, while the sum is 28.

The square root of 3511945 is about 1874.0184097281. The cubic root of 3511945 is about 152.0019765440.

The spelling of 3511945 in words is "three million, five hundred eleven thousand, nine hundred forty-five".