6609425 has 12 divisors (see below), whose sum is σ = 8237196. Its totient is φ = 5260800.

The previous prime is 6609409. The next prime is 6609437. The reversal of 6609425 is 5249066.

It can be written as a sum of positive squares in 6 ways, for example, as 96721 + 6512704 = 311^2 + 2552^2 .

It is not a de Polignac number, because 6609425 - 2⁴ = 6609409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6609391 and 6609400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5477 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (686433).

Almost surely, 2^6609425 is an apocalyptic number.

It is an amenable number.

6609425 is a deficient number, since it is larger than the sum of its proper divisors (1627771).

6609425 is a wasteful number, since it uses less digits than its factorization.

6609425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6609425 is about 2570.8801994648. The cubic root of 6609425 is about 187.6669919696. Note that the first 3 decimals are identical.

The spelling of 6609425 in words is "six million, six hundred nine thousand, four hundred twenty-five".