3509925 has 24 divisors (see below), whose sum is σ = 5919264. Its totient is φ = 1834560.

The previous prime is 3509917. The next prime is 3509941. The reversal of 3509925 is 5299053.

3509925 is a nontrivial binomial coefficient, being equal to C(2650, 2).

It is not a de Polignac number, because 3509925 - 2³ = 3509917 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3534 + ... + 4416.

It is an arithmetic number, because the mean of its divisors is an integer number (246636).

Almost surely, 2^3509925 is an apocalyptic number.

3509925 is the 2649-th triangular number and also the 1325-th hexagonal number.

It is an amenable number.

3509925 is a deficient number, since it is larger than the sum of its proper divisors (2409339).

3509925 is a wasteful number, since it uses less digits than its factorization.

3509925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 33.

The square root of 3509925 is about 1873.4793833934. The cubic root of 3509925 is about 151.9728281301.

The spelling of 3509925 in words is "three million, five hundred nine thousand, nine hundred twenty-five".