3540250 has 72 divisors (see below), whose sum is σ = 8189532. Its totient is φ = 1142400.

The previous prime is 3540247. The next prime is 3540259. The reversal of 3540250 is 520453.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 741321 + 2798929 = 861^2 + 1673^2 .

It is not an unprimeable number, because it can be changed into a prime (3540259) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 208242 + ... + 208258.

Almost surely, 2^3540250 is an apocalyptic number.

3540250 is an abundant number, since it is smaller than the sum of its proper divisors (4649282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3540250 is a wasteful number, since it uses less digits than its factorization.

3540250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 31 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 3540250 is about 1881.5552078002. Note that the first 3 decimals coincide. The cubic root of 3540250 is about 152.4092445762.

The spelling of 3540250 in words is "three million, five hundred forty thousand, two hundred fifty".