6509091 has 8 divisors (see below), whose sum is σ = 8723200. Its totient is φ = 4317192.

The previous prime is 6509033. The next prime is 6509093. The reversal of 6509091 is 1909056.

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

It is a de Polignac number, because none of the positive numbers 2^k-6509091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6509093) 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, 4855 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (1090400).

Almost surely, 2^6509091 is an apocalyptic number.

6509091 is a deficient number, since it is larger than the sum of its proper divisors (2214109).

6509091 is a wasteful number, since it uses less digits than its factorization.

6509091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11105.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 6509091 is about 2551.2920256215. The cubic root of 6509091 is about 186.7125231019.

The spelling of 6509091 in words is "six million, five hundred nine thousand, ninety-one".