6091009 has 4 divisors (see below), whose sum is σ = 6112816. Its totient is φ = 6069204.

The previous prime is 6090949. The next prime is 6091027. The reversal of 6091009 is 9001906.

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 6091009 - 2⁷ = 6090881 is a prime.

It is a Duffinian number.

6091009 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6091109) 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, 10479 + ... + 11044.

It is an arithmetic number, because the mean of its divisors is an integer number (1528204).

Almost surely, 2^6091009 is an apocalyptic number.

It is an amenable number.

6091009 is a deficient number, since it is larger than the sum of its proper divisors (21807).

6091009 is a wasteful number, since it uses less digits than its factorization.

6091009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21806.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 6091009 is about 2467.9969611002. The cubic root of 6091009 is about 182.6261990707.

The spelling of 6091009 in words is "six million, ninety-one thousand, nine".