6609025 has 12 divisors (see below), whose sum is σ = 8249472. Its totient is φ = 5252240.

The previous prime is 6609023. The next prime is 6609049. The reversal of 6609025 is 5209066.

It is not a de Polignac number, because 6609025 - 2¹ = 6609023 is a prime.

It is a super-2 number, since 2×6609025² = 87358422901250, which contains 22 as substring.

It is a Duffinian number.

6609025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6608984 and 6609002.

It is not an unprimeable number, because it can be changed into a prime (6609023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3384 + ... + 4966.

It is an arithmetic number, because the mean of its divisors is an integer number (687456).

Almost surely, 2^6609025 is an apocalyptic number.

It is an amenable number.

6609025 is a deficient number, since it is larger than the sum of its proper divisors (1640447).

6609025 is a wasteful number, since it uses less digits than its factorization.

6609025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 6609025 is about 2570.8024039198. The cubic root of 6609025 is about 187.6632060471.

The spelling of 6609025 in words is "six million, six hundred nine thousand, twenty-five".