6609281 has 8 divisors (see below), whose sum is σ = 7714560. Its totient is φ = 5544288.

The previous prime is 6609271. The next prime is 6609287. The reversal of 6609281 is 1829066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6609281 - 2¹⁴ = 6592897 is a prime.

It is a super-2 number, since 2×6609281² = 87365190673922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6609287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9716 + ... + 10373.

It is an arithmetic number, because the mean of its divisors is an integer number (964320).

Almost surely, 2^6609281 is an apocalyptic number.

It is an amenable number.

6609281 is a deficient number, since it is larger than the sum of its proper divisors (1105279).

6609281 is a wasteful number, since it uses less digits than its factorization.

6609281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20143.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 6609281 is about 2570.8521933398. The cubic root of 6609281 is about 187.6656290551.

The spelling of 6609281 in words is "six million, six hundred nine thousand, two hundred eighty-one".