6913591 has 4 divisors (see below), whose sum is σ = 6978312. Its totient is φ = 6848872.

The previous prime is 6913573. The next prime is 6913603. The reversal of 6913591 is 1953196.

6913591 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6913591 - 2⁹ = 6913079 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 (6913531) 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, 32200 + ... + 32413.

It is an arithmetic number, because the mean of its divisors is an integer number (1744578).

Almost surely, 2^6913591 is an apocalyptic number.

6913591 is a deficient number, since it is larger than the sum of its proper divisors (64721).

6913591 is a wasteful number, since it uses less digits than its factorization.

6913591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64720.

The product of its digits is 7290, while the sum is 34.

The square root of 6913591 is about 2629.3708372917. The cubic root of 6913591 is about 190.5027405957.

The spelling of 6913591 in words is "six million, nine hundred thirteen thousand, five hundred ninety-one".