6650425 has 12 divisors (see below), whose sum is σ = 8531820. Its totient is φ = 5136320.

The previous prime is 6650393. The next prime is 6650431. The reversal of 6650425 is 5240566.

It can be written as a sum of positive squares in 6 ways, for example, as 1212201 + 5438224 = 1101^2 + 2332^2 .

It is not a de Polignac number, because 6650425 - 2⁵ = 6650393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6650393 and 6650402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3862 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (710985).

Almost surely, 2^6650425 is an apocalyptic number.

It is an amenable number.

6650425 is a deficient number, since it is larger than the sum of its proper divisors (1881395).

6650425 is a wasteful number, since it uses less digits than its factorization.

6650425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212 (or 9207 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 6650425 is about 2578.8417942945. The cubic root of 6650425 is about 188.0542415542.

The spelling of 6650425 in words is "six million, six hundred fifty thousand, four hundred twenty-five".