6091609 has 4 divisors (see below), whose sum is σ = 6412240. Its totient is φ = 5770980.

The previous prime is 6091607. The next prime is 6091621. The reversal of 6091609 is 9061906.

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 cyclic number.

It is not a de Polignac number, because 6091609 - 2¹ = 6091607 is a prime.

6091609 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6091607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160287 + ... + 160324.

It is an arithmetic number, because the mean of its divisors is an integer number (1603060).

Almost surely, 2^6091609 is an apocalyptic number.

It is an amenable number.

6091609 is a deficient number, since it is larger than the sum of its proper divisors (320631).

6091609 is a wasteful number, since it uses less digits than its factorization.

6091609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320630.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 6091609 is about 2468.1185141723. The cubic root of 6091609 is about 182.6321954566.

The spelling of 6091609 in words is "six million, ninety-one thousand, six hundred nine".