6609261 has 4 divisors (see below), whose sum is σ = 8812352. Its totient is φ = 4406172.

The previous prime is 6609247. The next prime is 6609263. The reversal of 6609261 is 1629066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-6609261 is a prime.

It is a super-2 number, since 2×6609261² = 87364661932242, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609263) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1101541 + ... + 1101546.

It is an arithmetic number, because the mean of its divisors is an integer number (2203088).

Almost surely, 2^6609261 is an apocalyptic number.

It is an amenable number.

6609261 is a deficient number, since it is larger than the sum of its proper divisors (2203091).

6609261 is a wasteful number, since it uses less digits than its factorization.

6609261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203090.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6609261 is about 2570.8483035761. The cubic root of 6609261 is about 187.6654397598.

The spelling of 6609261 in words is "six million, six hundred nine thousand, two hundred sixty-one".