6500091 has 8 divisors (see below), whose sum is σ = 9333520. Its totient is φ = 4000032.

The previous prime is 6500077. The next prime is 6500093. The reversal of 6500091 is 1900056.

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

It is not a de Polignac number, because 6500091 - 2⁵ = 6500059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500093) 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, 83296 + ... + 83373.

It is an arithmetic number, because the mean of its divisors is an integer number (1166690).

Almost surely, 2^6500091 is an apocalyptic number.

6500091 is a deficient number, since it is larger than the sum of its proper divisors (2833429).

6500091 is a wasteful number, since it uses less digits than its factorization.

6500091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166685.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 6500091 is about 2549.5276033022. The cubic root of 6500091 is about 186.6264287561.

The spelling of 6500091 in words is "six million, five hundred thousand, ninety-one".