5640225 has 24 divisors (see below), whose sum is σ = 9404160. Its totient is φ = 2982720.

The previous prime is 5640211. The next prime is 5640251. The reversal of 5640225 is 5220465.

It is not a de Polignac number, because 5640225 - 2⁸ = 5639969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5640195 and 5640204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11536 + ... + 12014.

It is an arithmetic number, because the mean of its divisors is an integer number (391840).

Almost surely, 2^5640225 is an apocalyptic number.

It is an amenable number.

5640225 is a deficient number, since it is larger than the sum of its proper divisors (3763935).

5640225 is a wasteful number, since it uses less digits than its factorization.

5640225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5640225 is about 2374.9157879807. The cubic root of 5640225 is about 178.0049760844.

The spelling of 5640225 in words is "five million, six hundred forty thousand, two hundred twenty-five".