3515921875 has 28 divisors (see below), whose sum is σ = 4497911176. Its totient is φ = 2746800000.

The previous prime is 3515921873. The next prime is 3515921879. The reversal of 3515921875 is 5781295153.

3515921875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3515921875 - 2¹ = 3515921873 is a prime.

It is a super-2 number, since 2×3515921875² = 24723413262207031250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3515921873) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 669259 + ... + 674491.

Almost surely, 2^3515921875 is an apocalyptic number.

3515921875 is a deficient number, since it is larger than the sum of its proper divisors (981989301).

3515921875 is an frugal number, since it uses more digits than its factorization.

3515921875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306 (or 5281 counting only the distinct ones).

The product of its digits is 378000, while the sum is 46.

The square root of 3515921875 is about 59295.2095451226. The cubic root of 3515921875 is about 1520.5932983694.

The spelling of 3515921875 in words is "three billion, five hundred fifteen million, nine hundred twenty-one thousand, eight hundred seventy-five".