6591601 has 4 divisors (see below), whose sum is σ = 6626304. Its totient is φ = 6556900.

The previous prime is 6591583. The next prime is 6591617. The reversal of 6591601 is 1061956.

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 6591601 - 2⁹ = 6591089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6591601.

It is not an unprimeable number, because it can be changed into a prime (6591401) 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, 17065 + ... + 17446.

It is an arithmetic number, because the mean of its divisors is an integer number (1656576).

Almost surely, 2^6591601 is an apocalyptic number.

It is an amenable number.

6591601 is a deficient number, since it is larger than the sum of its proper divisors (34703).

6591601 is a wasteful number, since it uses less digits than its factorization.

6591601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34702.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 6591601 is about 2567.4113421889. The cubic root of 6591601 is about 187.4981427964.

The spelling of 6591601 in words is "six million, five hundred ninety-one thousand, six hundred one".